19453860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 63737856

約数和(自身を除く): 44283996

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, 127, 138, 148, 180, 185, 207, 222, 230, 254, 276, 333, 345, 370, 381, 414, 444, 460, 508, 555, 635, 666, 690, 740, 762, 828, 851, 1035, 1110, 1143, 1270, 1332, 1380, 1524, 1665, 1702, 1905, 2070, 2220, 2286, 2540, 2553, 2921, 3330, 3404, 3810, 4140, 4255, 4572, 4699, 5106, 5715, 5842, 6660, 7620, 7659, 8510, 8763, 9398, 10212, 11430, 11684, 12765, 14097, 14605, 15318, 17020, 17526, 18796, 22860, 23495, 25530, 26289, 28194, 29210, 30636, 35052, 38295, 42291, 43815, 46990, 51060, 52578, 56388, 58420, 70485, 76590, 84582, 87630, 93980, 105156, 108077, 131445, 140970, 153180, 169164, 175260, 211455, 216154, 262890, 281940, 324231, 422910, 432308, 525780, 540385, 648462, 845820, 972693, 1080770, 1296924, 1621155, 1945386, 2161540, 3242310, 3890772, 4863465, 6484620, 9726930, 19453860]

約数ペア:

[(1, 19453860), (2, 9726930), (3, 6484620), (4, 4863465), (5, 3890772), (6, 3242310), (9, 2161540), (10, 1945386), (12, 1621155), (15, 1296924), (18, 1080770), (20, 972693), (23, 845820), (30, 648462), (36, 540385), (37, 525780), (45, 432308), (46, 422910), (60, 324231), (69, 281940), (74, 262890), (90, 216154), (92, 211455), (111, 175260), (115, 169164), (127, 153180), (138, 140970), (148, 131445), (180, 108077), (185, 105156), (207, 93980), (222, 87630), (230, 84582), (254, 76590), (276, 70485), (333, 58420), (345, 56388), (370, 52578), (381, 51060), (414, 46990), (444, 43815), (460, 42291), (508, 38295), (555, 35052), (635, 30636), (666, 29210), (690, 28194), (740, 26289), (762, 25530), (828, 23495), (851, 22860), (1035, 18796), (1110, 17526), (1143, 17020), (1270, 15318), (1332, 14605), (1380, 14097), (1524, 12765), (1665, 11684), (1702, 11430), (1905, 10212), (2070, 9398), (2220, 8763), (2286, 8510), (2540, 7659), (2553, 7620), (2921, 6660), (3330, 5842), (3404, 5715), (3810, 5106), (4140, 4699), (4255, 4572)]