19881230

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1087}}^1$

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 17720050

約数列:

[1, 2, 5, 10, 31, 59, 62, 118, 155, 295, 310, 590, 1087, 1829, 2174, 3658, 5435, 9145, 10870, 18290, 33697, 64133, 67394, 128266, 168485, 320665, 336970, 641330, 1988123, 3976246, 9940615, 19881230]

約数ペア:

[(1, 19881230), (2, 9940615), (5, 3976246), (10, 1988123), (31, 641330), (59, 336970), (62, 320665), (118, 168485), (155, 128266), (295, 67394), (310, 64133), (590, 33697), (1087, 18290), (1829, 10870), (2174, 9145), (3658, 5435)]