18971010

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 52782912

約数和(自身を除く): 33811902

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 211, 222, 243, 270, 333, 370, 405, 422, 486, 555, 633, 666, 810, 999, 1055, 1110, 1215, 1266, 1665, 1899, 1998, 2110, 2430, 2997, 3165, 3330, 3798, 4995, 5697, 5994, 6330, 7807, 8991, 9495, 9990, 11394, 14985, 15614, 17091, 17982, 18990, 23421, 28485, 29970, 34182, 39035, 44955, 46842, 51273, 56970, 70263, 78070, 85455, 89910, 102546, 117105, 140526, 170910, 210789, 234210, 256365, 351315, 421578, 512730, 632367, 702630, 1053945, 1264734, 1897101, 2107890, 3161835, 3794202, 6323670, 9485505, 18971010]

約数ペア:

[(1, 18971010), (2, 9485505), (3, 6323670), (5, 3794202), (6, 3161835), (9, 2107890), (10, 1897101), (15, 1264734), (18, 1053945), (27, 702630), (30, 632367), (37, 512730), (45, 421578), (54, 351315), (74, 256365), (81, 234210), (90, 210789), (111, 170910), (135, 140526), (162, 117105), (185, 102546), (211, 89910), (222, 85455), (243, 78070), (270, 70263), (333, 56970), (370, 51273), (405, 46842), (422, 44955), (486, 39035), (555, 34182), (633, 29970), (666, 28485), (810, 23421), (999, 18990), (1055, 17982), (1110, 17091), (1215, 15614), (1266, 14985), (1665, 11394), (1899, 9990), (1998, 9495), (2110, 8991), (2430, 7807), (2997, 6330), (3165, 5994), (3330, 5697), (3798, 4995)]