19691010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1597}}^1$

素因数の和:1747

約数の個数: 48

約数和(自身を含む): 51602616

約数和(自身を除く): 31911606

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 137, 274, 411, 685, 822, 1233, 1370, 1597, 2055, 2466, 3194, 4110, 4791, 6165, 7985, 9582, 12330, 14373, 15970, 23955, 28746, 47910, 71865, 143730, 218789, 437578, 656367, 1093945, 1312734, 1969101, 2187890, 3281835, 3938202, 6563670, 9845505, 19691010]

約数ペア:

[(1, 19691010), (2, 9845505), (3, 6563670), (5, 3938202), (6, 3281835), (9, 2187890), (10, 1969101), (15, 1312734), (18, 1093945), (30, 656367), (45, 437578), (90, 218789), (137, 143730), (274, 71865), (411, 47910), (685, 28746), (822, 23955), (1233, 15970), (1370, 14373), (1597, 12330), (2055, 9582), (2466, 7985), (3194, 6165), (4110, 4791)]