2019958180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1\times {\mathrm{2423}}^1$

素因数の和:3076

約数の個数: 48

約数和(自身を含む): 4309329024

約数和(自身を除く): 2289370844

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 571, 730, 1142, 1460, 2284, 2423, 2855, 4846, 5710, 9692, 11420, 12115, 24230, 41683, 48460, 83366, 166732, 176879, 208415, 353758, 416830, 707516, 833660, 884395, 1383533, 1768790, 2767066, 3537580, 5534132, 6917665, 13835330, 27670660, 100997909, 201995818, 403991636, 504989545, 1009979090, 2019958180]

約数ペア:

[(1, 2019958180), (2, 1009979090), (4, 504989545), (5, 403991636), (10, 201995818), (20, 100997909), (73, 27670660), (146, 13835330), (292, 6917665), (365, 5534132), (571, 3537580), (730, 2767066), (1142, 1768790), (1460, 1383533), (2284, 884395), (2423, 833660), (2855, 707516), (4846, 416830), (5710, 353758), (9692, 208415), (11420, 176879), (12115, 166732), (24230, 83366), (41683, 48460)]