19690208

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:927

約数の個数: 48

約数和(自身を含む): 41803776

約数和(自身を除く): 22113568

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 92, 124, 184, 248, 368, 496, 713, 736, 863, 992, 1426, 1726, 2852, 3452, 5704, 6904, 11408, 13808, 19849, 22816, 26753, 27616, 39698, 53506, 79396, 107012, 158792, 214024, 317584, 428048, 615319, 635168, 856096, 1230638, 2461276, 4922552, 9845104, 19690208]

約数ペア:

[(1, 19690208), (2, 9845104), (4, 4922552), (8, 2461276), (16, 1230638), (23, 856096), (31, 635168), (32, 615319), (46, 428048), (62, 317584), (92, 214024), (124, 158792), (184, 107012), (248, 79396), (368, 53506), (496, 39698), (713, 27616), (736, 26753), (863, 22816), (992, 19849), (1426, 13808), (1726, 11408), (2852, 6904), (3452, 5704)]