18524480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 112

約数和(自身を含む): 48944784

約数和(自身を除く): 30420304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 73, 80, 104, 122, 130, 146, 160, 208, 244, 260, 292, 305, 320, 365, 416, 488, 520, 584, 610, 730, 793, 832, 949, 976, 1040, 1168, 1220, 1460, 1586, 1898, 1952, 2080, 2336, 2440, 2920, 3172, 3796, 3904, 3965, 4160, 4453, 4672, 4745, 4880, 5840, 6344, 7592, 7930, 8906, 9490, 9760, 11680, 12688, 15184, 15860, 17812, 18980, 19520, 22265, 23360, 25376, 30368, 31720, 35624, 37960, 44530, 50752, 57889, 60736, 63440, 71248, 75920, 89060, 115778, 126880, 142496, 151840, 178120, 231556, 253760, 284992, 289445, 303680, 356240, 463112, 578890, 712480, 926224, 1157780, 1424960, 1852448, 2315560, 3704896, 4631120, 9262240, 18524480]

約数ペア:

[(1, 18524480), (2, 9262240), (4, 4631120), (5, 3704896), (8, 2315560), (10, 1852448), (13, 1424960), (16, 1157780), (20, 926224), (26, 712480), (32, 578890), (40, 463112), (52, 356240), (61, 303680), (64, 289445), (65, 284992), (73, 253760), (80, 231556), (104, 178120), (122, 151840), (130, 142496), (146, 126880), (160, 115778), (208, 89060), (244, 75920), (260, 71248), (292, 63440), (305, 60736), (320, 57889), (365, 50752), (416, 44530), (488, 37960), (520, 35624), (584, 31720), (610, 30368), (730, 25376), (793, 23360), (832, 22265), (949, 19520), (976, 18980), (1040, 17812), (1168, 15860), (1220, 15184), (1460, 12688), (1586, 11680), (1898, 9760), (1952, 9490), (2080, 8906), (2336, 7930), (2440, 7592), (2920, 6344), (3172, 5840), (3796, 4880), (3904, 4745), (3965, 4672), (4160, 4453)]