18942430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7669}}^1$

素因数の和:7708

約数の個数: 32

約数和(自身を含む): 38656800

約数和(自身を除く): 19714370

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7669, 15338, 38345, 76690, 99697, 145711, 199394, 291422, 498485, 728555, 996970, 1457110, 1894243, 3788486, 9471215, 18942430]

約数ペア:

[(1, 18942430), (2, 9471215), (5, 3788486), (10, 1894243), (13, 1457110), (19, 996970), (26, 728555), (38, 498485), (65, 291422), (95, 199394), (130, 145711), (190, 99697), (247, 76690), (494, 38345), (1235, 15338), (2470, 7669)]