16868390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1197

約数の個数: 64

約数和(自身を含む): 39882240

約数和(自身を除く): 23013850

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1153, 1330, 1463, 2090, 2306, 2926, 5765, 7315, 8071, 11530, 12683, 14630, 16142, 21907, 25366, 40355, 43814, 63415, 80710, 88781, 109535, 126830, 153349, 177562, 219070, 240977, 306698, 443905, 481954, 766745, 887810, 1204885, 1533490, 1686839, 2409770, 3373678, 8434195, 16868390]

約数ペア:

[(1, 16868390), (2, 8434195), (5, 3373678), (7, 2409770), (10, 1686839), (11, 1533490), (14, 1204885), (19, 887810), (22, 766745), (35, 481954), (38, 443905), (55, 306698), (70, 240977), (77, 219070), (95, 177562), (110, 153349), (133, 126830), (154, 109535), (190, 88781), (209, 80710), (266, 63415), (385, 43814), (418, 40355), (665, 25366), (770, 21907), (1045, 16142), (1153, 14630), (1330, 12683), (1463, 11530), (2090, 8071), (2306, 7315), (2926, 5765)]