17849988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 49777728

約数和(自身を除く): 31927740

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 887, 1118, 1548, 1677, 1774, 2236, 2661, 3354, 3548, 5031, 5322, 6708, 7983, 10062, 10644, 11531, 15966, 20124, 23062, 31932, 34593, 38141, 46124, 69186, 76282, 103779, 114423, 138372, 152564, 207558, 228846, 343269, 415116, 457692, 495833, 686538, 991666, 1373076, 1487499, 1983332, 2974998, 4462497, 5949996, 8924994, 17849988]

約数ペア:

[(1, 17849988), (2, 8924994), (3, 5949996), (4, 4462497), (6, 2974998), (9, 1983332), (12, 1487499), (13, 1373076), (18, 991666), (26, 686538), (36, 495833), (39, 457692), (43, 415116), (52, 343269), (78, 228846), (86, 207558), (117, 152564), (129, 138372), (156, 114423), (172, 103779), (234, 76282), (258, 69186), (387, 46124), (468, 38141), (516, 34593), (559, 31932), (774, 23062), (887, 20124), (1118, 15966), (1548, 11531), (1677, 10644), (1774, 10062), (2236, 7983), (2661, 6708), (3354, 5322), (3548, 5031)]