20182153970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1\times {\mathrm{7411}}^1$

素因数の和:8751

約数の個数: 64

約数和(自身を含む): 41753871360

約数和(自身を除く): 21571717390

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 1303, 2090, 2606, 6515, 7411, 13030, 14333, 14822, 24757, 28666, 37055, 49514, 71665, 74110, 81521, 123785, 140809, 143330, 163042, 247570, 272327, 281618, 407605, 544654, 704045, 815210, 1361635, 1408090, 1548899, 2723270, 3097798, 7744495, 9656533, 15488990, 19313066, 48282665, 96565330, 106221863, 183474127, 212443726, 366948254, 531109315, 917370635, 1062218630, 1834741270, 2018215397, 4036430794, 10091076985, 20182153970]

約数ペア:

[(1, 20182153970), (2, 10091076985), (5, 4036430794), (10, 2018215397), (11, 1834741270), (19, 1062218630), (22, 917370635), (38, 531109315), (55, 366948254), (95, 212443726), (110, 183474127), (190, 106221863), (209, 96565330), (418, 48282665), (1045, 19313066), (1303, 15488990), (2090, 9656533), (2606, 7744495), (6515, 3097798), (7411, 2723270), (13030, 1548899), (14333, 1408090), (14822, 1361635), (24757, 815210), (28666, 704045), (37055, 544654), (49514, 407605), (71665, 281618), (74110, 272327), (81521, 247570), (123785, 163042), (140809, 143330)]