19387260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 43354692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 41, 45, 60, 71, 74, 82, 90, 111, 123, 142, 148, 164, 180, 185, 205, 213, 222, 246, 284, 333, 355, 369, 370, 410, 426, 444, 492, 555, 615, 639, 666, 710, 738, 740, 820, 852, 1065, 1110, 1230, 1278, 1332, 1420, 1476, 1517, 1665, 1845, 2130, 2220, 2460, 2556, 2627, 2911, 3034, 3195, 3330, 3690, 4260, 4551, 5254, 5822, 6068, 6390, 6660, 7380, 7585, 7881, 8733, 9102, 10508, 11644, 12780, 13135, 13653, 14555, 15170, 15762, 17466, 18204, 22755, 23643, 26199, 26270, 27306, 29110, 30340, 31524, 34932, 39405, 43665, 45510, 47286, 52398, 52540, 54612, 58220, 68265, 78810, 87330, 91020, 94572, 104796, 107707, 118215, 130995, 136530, 157620, 174660, 215414, 236430, 261990, 273060, 323121, 430828, 472860, 523980, 538535, 646242, 969363, 1077070, 1292484, 1615605, 1938726, 2154140, 3231210, 3877452, 4846815, 6462420, 9693630, 19387260]

約数ペア:

[(1, 19387260), (2, 9693630), (3, 6462420), (4, 4846815), (5, 3877452), (6, 3231210), (9, 2154140), (10, 1938726), (12, 1615605), (15, 1292484), (18, 1077070), (20, 969363), (30, 646242), (36, 538535), (37, 523980), (41, 472860), (45, 430828), (60, 323121), (71, 273060), (74, 261990), (82, 236430), (90, 215414), (111, 174660), (123, 157620), (142, 136530), (148, 130995), (164, 118215), (180, 107707), (185, 104796), (205, 94572), (213, 91020), (222, 87330), (246, 78810), (284, 68265), (333, 58220), (355, 54612), (369, 52540), (370, 52398), (410, 47286), (426, 45510), (444, 43665), (492, 39405), (555, 34932), (615, 31524), (639, 30340), (666, 29110), (710, 27306), (738, 26270), (740, 26199), (820, 23643), (852, 22755), (1065, 18204), (1110, 17466), (1230, 15762), (1278, 15170), (1332, 14555), (1420, 13653), (1476, 13135), (1517, 12780), (1665, 11644), (1845, 10508), (2130, 9102), (2220, 8733), (2460, 7881), (2556, 7585), (2627, 7380), (2911, 6660), (3034, 6390), (3195, 6068), (3330, 5822), (3690, 5254), (4260, 4551)]