18980493870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48667933}}^1$

素因数の和:48667956

約数の個数: 32

約数和(自身を含む): 49057277472

約数和(自身を除く): 30076783602

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48667933, 97335866, 146003799, 243339665, 292007598, 486679330, 632683129, 730018995, 1265366258, 1460037990, 1898049387, 3163415645, 3796098774, 6326831290, 9490246935, 18980493870]

約数ペア:

[(1, 18980493870), (2, 9490246935), (3, 6326831290), (5, 3796098774), (6, 3163415645), (10, 1898049387), (13, 1460037990), (15, 1265366258), (26, 730018995), (30, 632683129), (39, 486679330), (65, 292007598), (78, 243339665), (130, 146003799), (195, 97335866), (390, 48667933)]