19897009740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{129893}}^1$

素因数の和:129968

約数の個数: 144

約数和(自身を含む): 64680977088

約数和(自身を除く): 44783967348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 37, 45, 46, 60, 69, 74, 90, 92, 111, 115, 138, 148, 180, 185, 207, 222, 230, 276, 333, 345, 370, 414, 444, 460, 555, 666, 690, 740, 828, 851, 1035, 1110, 1332, 1380, 1665, 1702, 2070, 2220, 2553, 3330, 3404, 4140, 4255, 5106, 6660, 7659, 8510, 10212, 12765, 15318, 17020, 25530, 30636, 38295, 51060, 76590, 129893, 153180, 259786, 389679, 519572, 649465, 779358, 1169037, 1298930, 1558716, 1948395, 2338074, 2597860, 2987539, 3896790, 4676148, 4806041, 5845185, 5975078, 7793580, 8962617, 9612082, 11690370, 11950156, 14418123, 14937695, 17925234, 19224164, 23380740, 24030205, 26887851, 28836246, 29875390, 35850468, 43254369, 44813085, 48060410, 53775702, 57672492, 59750780, 72090615, 86508738, 89626170, 96120820, 107551404, 110538943, 134439255, 144181230, 173017476, 179252340, 216271845, 221077886, 268878510, 288362460, 331616829, 432543690, 442155772, 537757020, 552694715, 663233658, 865087380, 994850487, 1105389430, 1326467316, 1658084145, 1989700974, 2210778860, 3316168290, 3979401948, 4974252435, 6632336580, 9948504870, 19897009740]

約数ペア:

[(1, 19897009740), (2, 9948504870), (3, 6632336580), (4, 4974252435), (5, 3979401948), (6, 3316168290), (9, 2210778860), (10, 1989700974), (12, 1658084145), (15, 1326467316), (18, 1105389430), (20, 994850487), (23, 865087380), (30, 663233658), (36, 552694715), (37, 537757020), (45, 442155772), (46, 432543690), (60, 331616829), (69, 288362460), (74, 268878510), (90, 221077886), (92, 216271845), (111, 179252340), (115, 173017476), (138, 144181230), (148, 134439255), (180, 110538943), (185, 107551404), (207, 96120820), (222, 89626170), (230, 86508738), (276, 72090615), (333, 59750780), (345, 57672492), (370, 53775702), (414, 48060410), (444, 44813085), (460, 43254369), (555, 35850468), (666, 29875390), (690, 28836246), (740, 26887851), (828, 24030205), (851, 23380740), (1035, 19224164), (1110, 17925234), (1332, 14937695), (1380, 14418123), (1665, 11950156), (1702, 11690370), (2070, 9612082), (2220, 8962617), (2553, 7793580), (3330, 5975078), (3404, 5845185), (4140, 4806041), (4255, 4676148), (5106, 3896790), (6660, 2987539), (7659, 2597860), (8510, 2338074), (10212, 1948395), (12765, 1558716), (15318, 1298930), (17020, 1169037), (25530, 779358), (30636, 649465), (38295, 519572), (51060, 389679), (76590, 259786), (129893, 153180)]