18807900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 55246464

約数和(自身を除く): 36438564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 71, 75, 100, 142, 150, 213, 284, 300, 355, 426, 710, 852, 883, 1065, 1420, 1766, 1775, 2130, 2649, 3532, 3550, 4260, 4415, 5298, 5325, 7100, 8830, 10596, 10650, 13245, 17660, 21300, 22075, 26490, 44150, 52980, 62693, 66225, 88300, 125386, 132450, 188079, 250772, 264900, 313465, 376158, 626930, 752316, 940395, 1253860, 1567325, 1880790, 3134650, 3761580, 4701975, 6269300, 9403950, 18807900]

約数ペア:

[(1, 18807900), (2, 9403950), (3, 6269300), (4, 4701975), (5, 3761580), (6, 3134650), (10, 1880790), (12, 1567325), (15, 1253860), (20, 940395), (25, 752316), (30, 626930), (50, 376158), (60, 313465), (71, 264900), (75, 250772), (100, 188079), (142, 132450), (150, 125386), (213, 88300), (284, 66225), (300, 62693), (355, 52980), (426, 44150), (710, 26490), (852, 22075), (883, 21300), (1065, 17660), (1420, 13245), (1766, 10650), (1775, 10596), (2130, 8830), (2649, 7100), (3532, 5325), (3550, 5298), (4260, 4415)]