19976453336

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{877}}^1\times {\mathrm{2969}}^1$

素因数の和:3996

約数の個数: 64

約数和(自身を含む): 43182849600

約数和(自身を除く): 23206396264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 877, 959, 1096, 1754, 1918, 2969, 3508, 3836, 5938, 6139, 7016, 7672, 11876, 12278, 20783, 23752, 24556, 41566, 49112, 83132, 120149, 166264, 240298, 406753, 480596, 813506, 841043, 961192, 1627012, 1682086, 2603813, 2847271, 3254024, 3364172, 5207626, 5694542, 6728344, 10415252, 11389084, 18226691, 20830504, 22778168, 36453382, 72906764, 145813528, 356722381, 713444762, 1426889524, 2497056667, 2853779048, 4994113334, 9988226668, 19976453336]

約数ペア:

[(1, 19976453336), (2, 9988226668), (4, 4994113334), (7, 2853779048), (8, 2497056667), (14, 1426889524), (28, 713444762), (56, 356722381), (137, 145813528), (274, 72906764), (548, 36453382), (877, 22778168), (959, 20830504), (1096, 18226691), (1754, 11389084), (1918, 10415252), (2969, 6728344), (3508, 5694542), (3836, 5207626), (5938, 3364172), (6139, 3254024), (7016, 2847271), (7672, 2603813), (11876, 1682086), (12278, 1627012), (20783, 961192), (23752, 841043), (24556, 813506), (41566, 480596), (49112, 406753), (83132, 240298), (120149, 166264)]