2018902528

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1$

素因数の和:769

約数の個数: 80

約数和(自身を含む): 4187589120

約数和(自身を除く): 2168686592

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 311, 409, 496, 512, 622, 818, 992, 1244, 1636, 1984, 2488, 3272, 3968, 4976, 6544, 7936, 9641, 9952, 12679, 13088, 15872, 19282, 19904, 25358, 26176, 38564, 39808, 50716, 52352, 77128, 79616, 101432, 104704, 127199, 154256, 159232, 202864, 209408, 254398, 308512, 405728, 508796, 617024, 811456, 1017592, 1234048, 1622912, 2035184, 2468096, 3245824, 3943169, 4070368, 4936192, 6491648, 7886338, 8140736, 15772676, 16281472, 31545352, 32562944, 63090704, 65125888, 126181408, 252362816, 504725632, 1009451264, 2018902528]

約数ペア:

[(1, 2018902528), (2, 1009451264), (4, 504725632), (8, 252362816), (16, 126181408), (31, 65125888), (32, 63090704), (62, 32562944), (64, 31545352), (124, 16281472), (128, 15772676), (248, 8140736), (256, 7886338), (311, 6491648), (409, 4936192), (496, 4070368), (512, 3943169), (622, 3245824), (818, 2468096), (992, 2035184), (1244, 1622912), (1636, 1234048), (1984, 1017592), (2488, 811456), (3272, 617024), (3968, 508796), (4976, 405728), (6544, 308512), (7936, 254398), (9641, 209408), (9952, 202864), (12679, 159232), (13088, 154256), (15872, 127199), (19282, 104704), (19904, 101432), (25358, 79616), (26176, 77128), (38564, 52352), (39808, 50716)]