19101080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 46418400

約数和(自身を除く): 27317320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 613, 760, 779, 820, 1226, 1558, 1640, 2452, 3065, 3116, 3895, 4904, 6130, 6232, 7790, 11647, 12260, 15580, 23294, 24520, 25133, 31160, 46588, 50266, 58235, 93176, 100532, 116470, 125665, 201064, 232940, 251330, 465880, 477527, 502660, 955054, 1005320, 1910108, 2387635, 3820216, 4775270, 9550540, 19101080]

約数ペア:

[(1, 19101080), (2, 9550540), (4, 4775270), (5, 3820216), (8, 2387635), (10, 1910108), (19, 1005320), (20, 955054), (38, 502660), (40, 477527), (41, 465880), (76, 251330), (82, 232940), (95, 201064), (152, 125665), (164, 116470), (190, 100532), (205, 93176), (328, 58235), (380, 50266), (410, 46588), (613, 31160), (760, 25133), (779, 24520), (820, 23294), (1226, 15580), (1558, 12260), (1640, 11647), (2452, 7790), (3065, 6232), (3116, 6130), (3895, 4904)]