18702346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 34040160

約数和(自身を除く): 15337814

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 131, 221, 247, 262, 289, 323, 442, 494, 578, 646, 1703, 2227, 2489, 3406, 3757, 4199, 4454, 4978, 5491, 7514, 8398, 10982, 28951, 32357, 37859, 42313, 57902, 64714, 71383, 75718, 84626, 142766, 492167, 550069, 719321, 984334, 1100138, 1438642, 9351173, 18702346]

約数ペア:

[(1, 18702346), (2, 9351173), (13, 1438642), (17, 1100138), (19, 984334), (26, 719321), (34, 550069), (38, 492167), (131, 142766), (221, 84626), (247, 75718), (262, 71383), (289, 64714), (323, 57902), (442, 42313), (494, 37859), (578, 32357), (646, 28951), (1703, 10982), (2227, 8398), (2489, 7514), (3406, 5491), (3757, 4978), (4199, 4454)]