18191823

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 27697152

約数和(自身を除く): 9505329

約数列:

[1, 3, 13, 31, 39, 41, 93, 123, 367, 403, 533, 1101, 1209, 1271, 1599, 3813, 4771, 11377, 14313, 15047, 16523, 34131, 45141, 49569, 147901, 195611, 443703, 466457, 586833, 1399371, 6063941, 18191823]

約数ペア:

[(1, 18191823), (3, 6063941), (13, 1399371), (31, 586833), (39, 466457), (41, 443703), (93, 195611), (123, 147901), (367, 49569), (403, 45141), (533, 34131), (1101, 16523), (1209, 15047), (1271, 14313), (1599, 11377), (3813, 4771)]