18935460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1783}}^1$

素因数の和:1857

約数の個数: 72

約数和(自身を含む): 58443840

約数和(自身を除く): 39508380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 1783, 2124, 2655, 3540, 3566, 5310, 5349, 7132, 8915, 10620, 10698, 16047, 17830, 21396, 26745, 32094, 35660, 53490, 64188, 80235, 105197, 106980, 160470, 210394, 315591, 320940, 420788, 525985, 631182, 946773, 1051970, 1262364, 1577955, 1893546, 2103940, 3155910, 3787092, 4733865, 6311820, 9467730, 18935460]

約数ペア:

[(1, 18935460), (2, 9467730), (3, 6311820), (4, 4733865), (5, 3787092), (6, 3155910), (9, 2103940), (10, 1893546), (12, 1577955), (15, 1262364), (18, 1051970), (20, 946773), (30, 631182), (36, 525985), (45, 420788), (59, 320940), (60, 315591), (90, 210394), (118, 160470), (177, 106980), (180, 105197), (236, 80235), (295, 64188), (354, 53490), (531, 35660), (590, 32094), (708, 26745), (885, 21396), (1062, 17830), (1180, 16047), (1770, 10698), (1783, 10620), (2124, 8915), (2655, 7132), (3540, 5349), (3566, 5310)]