19407906

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 51787008

約数和(自身を除く): 32379102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 37, 42, 46, 63, 69, 74, 111, 126, 138, 161, 181, 207, 222, 259, 322, 333, 362, 414, 483, 518, 543, 666, 777, 851, 966, 1086, 1267, 1449, 1554, 1629, 1702, 2331, 2534, 2553, 2898, 3258, 3801, 4163, 4662, 5106, 5957, 6697, 7602, 7659, 8326, 11403, 11914, 12489, 13394, 15318, 17871, 20091, 22806, 24978, 29141, 35742, 37467, 40182, 46879, 53613, 58282, 60273, 74934, 87423, 93758, 107226, 120546, 140637, 154031, 174846, 262269, 281274, 308062, 421911, 462093, 524538, 843822, 924186, 1078217, 1386279, 2156434, 2772558, 3234651, 6469302, 9703953, 19407906]

約数ペア:

[(1, 19407906), (2, 9703953), (3, 6469302), (6, 3234651), (7, 2772558), (9, 2156434), (14, 1386279), (18, 1078217), (21, 924186), (23, 843822), (37, 524538), (42, 462093), (46, 421911), (63, 308062), (69, 281274), (74, 262269), (111, 174846), (126, 154031), (138, 140637), (161, 120546), (181, 107226), (207, 93758), (222, 87423), (259, 74934), (322, 60273), (333, 58282), (362, 53613), (414, 46879), (483, 40182), (518, 37467), (543, 35742), (666, 29141), (777, 24978), (851, 22806), (966, 20091), (1086, 17871), (1267, 15318), (1449, 13394), (1554, 12489), (1629, 11914), (1702, 11403), (2331, 8326), (2534, 7659), (2553, 7602), (2898, 6697), (3258, 5957), (3801, 5106), (4163, 4662)]