17840012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 16754548

約数列:

[1, 2, 4, 19, 38, 43, 53, 76, 86, 103, 106, 172, 206, 212, 412, 817, 1007, 1634, 1957, 2014, 2279, 3268, 3914, 4028, 4429, 4558, 5459, 7828, 8858, 9116, 10918, 17716, 21836, 43301, 84151, 86602, 103721, 168302, 173204, 207442, 234737, 336604, 414884, 469474, 938948, 4460003, 8920006, 17840012]

約数ペア:

[(1, 17840012), (2, 8920006), (4, 4460003), (19, 938948), (38, 469474), (43, 414884), (53, 336604), (76, 234737), (86, 207442), (103, 173204), (106, 168302), (172, 103721), (206, 86602), (212, 84151), (412, 43301), (817, 21836), (1007, 17716), (1634, 10918), (1957, 9116), (2014, 8858), (2279, 7828), (3268, 5459), (3914, 4558), (4028, 4429)]