18797640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{409}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 37880760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 383, 409, 766, 818, 1149, 1227, 1532, 1636, 1915, 2045, 2298, 2454, 3064, 3272, 3830, 4090, 4596, 4908, 5745, 6135, 7660, 8180, 9192, 9816, 11490, 12270, 15320, 16360, 22980, 24540, 45960, 49080, 156647, 313294, 469941, 626588, 783235, 939882, 1253176, 1566470, 1879764, 2349705, 3132940, 3759528, 4699410, 6265880, 9398820, 18797640]

約数ペア:

[(1, 18797640), (2, 9398820), (3, 6265880), (4, 4699410), (5, 3759528), (6, 3132940), (8, 2349705), (10, 1879764), (12, 1566470), (15, 1253176), (20, 939882), (24, 783235), (30, 626588), (40, 469941), (60, 313294), (120, 156647), (383, 49080), (409, 45960), (766, 24540), (818, 22980), (1149, 16360), (1227, 15320), (1532, 12270), (1636, 11490), (1915, 9816), (2045, 9192), (2298, 8180), (2454, 7660), (3064, 6135), (3272, 5745), (3830, 4908), (4090, 4596)]