18508299992

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{491}}^1\times {\mathrm{569}}^1$

素因数の和:1106

約数の個数: 144

約数和(自身を含む): 43879044600

約数和(自身を除く): 25370744608

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 169, 182, 196, 338, 364, 392, 491, 569, 637, 676, 728, 982, 1138, 1183, 1274, 1352, 1964, 2276, 2366, 2548, 3437, 3928, 3983, 4552, 4732, 5096, 6383, 6874, 7397, 7966, 8281, 9464, 12766, 13748, 14794, 15932, 16562, 24059, 25532, 27496, 27881, 29588, 31864, 33124, 44681, 48118, 51064, 51779, 55762, 59176, 66248, 82979, 89362, 96161, 96236, 103558, 111524, 165958, 178724, 192322, 192472, 207116, 223048, 279379, 312767, 331916, 357448, 362453, 384644, 414232, 558758, 580853, 625534, 663832, 673127, 724906, 769288, 1117516, 1161706, 1251068, 1346254, 1449812, 1955653, 2235032, 2323412, 2502136, 2692508, 2899624, 3631927, 3911306, 4065971, 4646824, 4711889, 5385016, 7263854, 7822612, 8131942, 9423778, 13689571, 14527708, 15645224, 16263884, 18847556, 25423489, 27379142, 29055416, 32527768, 37695112, 47215051, 50846978, 54758284, 94430102, 101693956, 109516568, 177964423, 188860204, 203387912, 330505357, 355928846, 377720408, 661010714, 711857692, 1322021428, 1423715384, 2313537499, 2644042856, 4627074998, 9254149996, 18508299992]

約数ペア:

[(1, 18508299992), (2, 9254149996), (4, 4627074998), (7, 2644042856), (8, 2313537499), (13, 1423715384), (14, 1322021428), (26, 711857692), (28, 661010714), (49, 377720408), (52, 355928846), (56, 330505357), (91, 203387912), (98, 188860204), (104, 177964423), (169, 109516568), (182, 101693956), (196, 94430102), (338, 54758284), (364, 50846978), (392, 47215051), (491, 37695112), (569, 32527768), (637, 29055416), (676, 27379142), (728, 25423489), (982, 18847556), (1138, 16263884), (1183, 15645224), (1274, 14527708), (1352, 13689571), (1964, 9423778), (2276, 8131942), (2366, 7822612), (2548, 7263854), (3437, 5385016), (3928, 4711889), (3983, 4646824), (4552, 4065971), (4732, 3911306), (5096, 3631927), (6383, 2899624), (6874, 2692508), (7397, 2502136), (7966, 2323412), (8281, 2235032), (9464, 1955653), (12766, 1449812), (13748, 1346254), (14794, 1251068), (15932, 1161706), (16562, 1117516), (24059, 769288), (25532, 724906), (27496, 673127), (27881, 663832), (29588, 625534), (31864, 580853), (33124, 558758), (44681, 414232), (48118, 384644), (51064, 362453), (51779, 357448), (55762, 331916), (59176, 312767), (66248, 279379), (82979, 223048), (89362, 207116), (96161, 192472), (96236, 192322), (103558, 178724), (111524, 165958)]