18702390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 55157760

約数和(自身を除く): 36455370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 37, 42, 58, 70, 74, 83, 87, 105, 111, 145, 166, 174, 185, 203, 210, 222, 249, 259, 290, 370, 406, 415, 435, 498, 518, 555, 581, 609, 777, 830, 870, 1015, 1073, 1110, 1162, 1218, 1245, 1295, 1554, 1743, 2030, 2146, 2407, 2490, 2590, 2905, 3045, 3071, 3219, 3486, 3885, 4814, 5365, 5810, 6090, 6142, 6438, 7221, 7511, 7770, 8715, 9213, 10730, 12035, 14442, 15022, 15355, 16095, 16849, 17430, 18426, 21497, 22533, 24070, 30710, 32190, 33698, 36105, 37555, 42994, 45066, 46065, 50547, 64491, 72210, 75110, 84245, 89059, 92130, 101094, 107485, 112665, 128982, 168490, 178118, 214970, 225330, 252735, 267177, 322455, 445295, 505470, 534354, 623413, 644910, 890590, 1246826, 1335885, 1870239, 2671770, 3117065, 3740478, 6234130, 9351195, 18702390]

約数ペア:

[(1, 18702390), (2, 9351195), (3, 6234130), (5, 3740478), (6, 3117065), (7, 2671770), (10, 1870239), (14, 1335885), (15, 1246826), (21, 890590), (29, 644910), (30, 623413), (35, 534354), (37, 505470), (42, 445295), (58, 322455), (70, 267177), (74, 252735), (83, 225330), (87, 214970), (105, 178118), (111, 168490), (145, 128982), (166, 112665), (174, 107485), (185, 101094), (203, 92130), (210, 89059), (222, 84245), (249, 75110), (259, 72210), (290, 64491), (370, 50547), (406, 46065), (415, 45066), (435, 42994), (498, 37555), (518, 36105), (555, 33698), (581, 32190), (609, 30710), (777, 24070), (830, 22533), (870, 21497), (1015, 18426), (1073, 17430), (1110, 16849), (1162, 16095), (1218, 15355), (1245, 15022), (1295, 14442), (1554, 12035), (1743, 10730), (2030, 9213), (2146, 8715), (2407, 7770), (2490, 7511), (2590, 7221), (2905, 6438), (3045, 6142), (3071, 6090), (3219, 5810), (3486, 5365), (3885, 4814)]