1620084818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{3911}}^1$

素因数の和:4934

約数の個数: 32

約数和(自身を含む): 2794106880

約数和(自身を除く): 1174022062

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 991, 1982, 3911, 7822, 10901, 18829, 21802, 37658, 43021, 74309, 86042, 148618, 207119, 414238, 817399, 1634798, 3875801, 7751602, 42633811, 73640219, 85267622, 147280438, 810042409, 1620084818]

約数ペア:

[(1, 1620084818), (2, 810042409), (11, 147280438), (19, 85267622), (22, 73640219), (38, 42633811), (209, 7751602), (418, 3875801), (991, 1634798), (1982, 817399), (3911, 414238), (7822, 207119), (10901, 148618), (18829, 86042), (21802, 74309), (37658, 43021)]