19436380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 27012260

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 31, 46, 47, 58, 62, 92, 94, 115, 116, 124, 145, 155, 188, 230, 235, 290, 310, 460, 470, 580, 620, 667, 713, 899, 940, 1081, 1334, 1363, 1426, 1457, 1798, 2162, 2668, 2726, 2852, 2914, 3335, 3565, 3596, 4324, 4495, 5405, 5452, 5828, 6670, 6815, 7130, 7285, 8990, 10810, 13340, 13630, 14260, 14570, 17980, 20677, 21620, 27260, 29140, 31349, 33511, 41354, 42253, 62698, 67022, 82708, 84506, 103385, 125396, 134044, 156745, 167555, 169012, 206770, 211265, 313490, 335110, 413540, 422530, 626980, 670220, 845060, 971819, 1943638, 3887276, 4859095, 9718190, 19436380]

約数ペア:

[(1, 19436380), (2, 9718190), (4, 4859095), (5, 3887276), (10, 1943638), (20, 971819), (23, 845060), (29, 670220), (31, 626980), (46, 422530), (47, 413540), (58, 335110), (62, 313490), (92, 211265), (94, 206770), (115, 169012), (116, 167555), (124, 156745), (145, 134044), (155, 125396), (188, 103385), (230, 84506), (235, 82708), (290, 67022), (310, 62698), (460, 42253), (470, 41354), (580, 33511), (620, 31349), (667, 29140), (713, 27260), (899, 21620), (940, 20677), (1081, 17980), (1334, 14570), (1363, 14260), (1426, 13630), (1457, 13340), (1798, 10810), (2162, 8990), (2668, 7285), (2726, 7130), (2852, 6815), (2914, 6670), (3335, 5828), (3565, 5452), (3596, 5405), (4324, 4495)]