18273456385

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{12659}}^1$

素因数の和:12901

約数の個数: 32

約数和(自身を含む): 23140454400

約数和(自身を除く): 4866998015

約数列:

[1, 5, 31, 67, 139, 155, 335, 695, 2077, 4309, 9313, 10385, 12659, 21545, 46565, 63295, 288703, 392429, 848153, 1443515, 1759601, 1962145, 4240765, 8798005, 26292743, 54547631, 117893267, 131463715, 272738155, 589466335, 3654691277, 18273456385]

約数ペア:

[(1, 18273456385), (5, 3654691277), (31, 589466335), (67, 272738155), (139, 131463715), (155, 117893267), (335, 54547631), (695, 26292743), (2077, 8798005), (4309, 4240765), (9313, 1962145), (10385, 1759601), (12659, 1443515), (21545, 848153), (46565, 392429), (63295, 288703)]