18801156777

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{152993}}^1$

素因数の和:153169

約数の個数: 32

約数和(自身を含む): 28376103168

約数和(自身を除く): 9574946391

約数列:

[1, 3, 13, 23, 39, 69, 137, 299, 411, 897, 1781, 3151, 5343, 9453, 40963, 122889, 152993, 458979, 1988909, 3518839, 5966727, 10556517, 20960041, 45744907, 62880123, 137234721, 272480533, 482080943, 817441599, 1446242829, 6267052259, 18801156777]

約数ペア:

[(1, 18801156777), (3, 6267052259), (13, 1446242829), (23, 817441599), (39, 482080943), (69, 272480533), (137, 137234721), (299, 62880123), (411, 45744907), (897, 20960041), (1781, 10556517), (3151, 5966727), (5343, 3518839), (9453, 1988909), (40963, 458979), (122889, 152993)]