15940012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{829}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 33465600

約数和(自身を除く): 17525588

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 209, 253, 418, 437, 506, 829, 836, 874, 1012, 1658, 1748, 3316, 4807, 9119, 9614, 15751, 18238, 19067, 19228, 31502, 36476, 38134, 63004, 76268, 173261, 209737, 346522, 362273, 419474, 693044, 724546, 838948, 1449092, 3985003, 7970006, 15940012]

約数ペア:

[(1, 15940012), (2, 7970006), (4, 3985003), (11, 1449092), (19, 838948), (22, 724546), (23, 693044), (38, 419474), (44, 362273), (46, 346522), (76, 209737), (92, 173261), (209, 76268), (253, 63004), (418, 38134), (437, 36476), (506, 31502), (829, 19228), (836, 19067), (874, 18238), (1012, 15751), (1658, 9614), (1748, 9119), (3316, 4807)]