18393292

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 36090880

約数和(自身を除く): 17697588

約数列:

[1, 2, 4, 19, 31, 37, 38, 62, 74, 76, 124, 148, 211, 422, 589, 703, 844, 1147, 1178, 1406, 2294, 2356, 2812, 4009, 4588, 6541, 7807, 8018, 13082, 15614, 16036, 21793, 26164, 31228, 43586, 87172, 124279, 148333, 242017, 248558, 296666, 484034, 497116, 593332, 968068, 4598323, 9196646, 18393292]

約数ペア:

[(1, 18393292), (2, 9196646), (4, 4598323), (19, 968068), (31, 593332), (37, 497116), (38, 484034), (62, 296666), (74, 248558), (76, 242017), (124, 148333), (148, 124279), (211, 87172), (422, 43586), (589, 31228), (703, 26164), (844, 21793), (1147, 16036), (1178, 15614), (1406, 13082), (2294, 8018), (2356, 7807), (2812, 6541), (4009, 4588)]