18680688

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:631

約数の個数: 120

約数和(自身を含む): 59714928

約数和(自身を除く): 41034240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 34, 36, 39, 48, 51, 52, 68, 72, 78, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 306, 312, 408, 442, 468, 587, 612, 624, 663, 816, 884, 936, 1174, 1224, 1326, 1761, 1768, 1872, 1989, 2348, 2448, 2652, 3522, 3536, 3978, 4696, 5283, 5304, 7044, 7631, 7956, 9392, 9979, 10566, 10608, 14088, 15262, 15912, 19958, 21132, 22893, 28176, 29937, 30524, 31824, 39916, 42264, 45786, 59874, 61048, 68679, 79832, 84528, 89811, 91572, 119748, 122096, 129727, 137358, 159664, 179622, 183144, 239496, 259454, 274716, 359244, 366288, 389181, 478992, 518908, 549432, 718488, 778362, 1037816, 1098864, 1167543, 1436976, 1556724, 2075632, 2335086, 3113448, 4670172, 6226896, 9340344, 18680688]

約数ペア:

[(1, 18680688), (2, 9340344), (3, 6226896), (4, 4670172), (6, 3113448), (8, 2335086), (9, 2075632), (12, 1556724), (13, 1436976), (16, 1167543), (17, 1098864), (18, 1037816), (24, 778362), (26, 718488), (34, 549432), (36, 518908), (39, 478992), (48, 389181), (51, 366288), (52, 359244), (68, 274716), (72, 259454), (78, 239496), (102, 183144), (104, 179622), (117, 159664), (136, 137358), (144, 129727), (153, 122096), (156, 119748), (204, 91572), (208, 89811), (221, 84528), (234, 79832), (272, 68679), (306, 61048), (312, 59874), (408, 45786), (442, 42264), (468, 39916), (587, 31824), (612, 30524), (624, 29937), (663, 28176), (816, 22893), (884, 21132), (936, 19958), (1174, 15912), (1224, 15262), (1326, 14088), (1761, 10608), (1768, 10566), (1872, 9979), (1989, 9392), (2348, 7956), (2448, 7631), (2652, 7044), (3522, 5304), (3536, 5283), (3978, 4696)]