19006688

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 21353632

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 727, 817, 1376, 1454, 1634, 2908, 3268, 5816, 6536, 11632, 13072, 13813, 23264, 26144, 27626, 31261, 55252, 62522, 110504, 125044, 221008, 250088, 442016, 500176, 593959, 1000352, 1187918, 2375836, 4751672, 9503344, 19006688]

約数ペア:

[(1, 19006688), (2, 9503344), (4, 4751672), (8, 2375836), (16, 1187918), (19, 1000352), (32, 593959), (38, 500176), (43, 442016), (76, 250088), (86, 221008), (152, 125044), (172, 110504), (304, 62522), (344, 55252), (608, 31261), (688, 27626), (727, 26144), (817, 23264), (1376, 13813), (1454, 13072), (1634, 11632), (2908, 6536), (3268, 5816)]