19765122

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 44706816

約数和(自身を除く): 24941694

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 71, 78, 83, 86, 129, 142, 166, 213, 249, 258, 426, 498, 559, 923, 1079, 1118, 1677, 1846, 2158, 2769, 3053, 3237, 3354, 3569, 5538, 5893, 6106, 6474, 7138, 9159, 10707, 11786, 17679, 18318, 21414, 35358, 39689, 46397, 76609, 79378, 92794, 119067, 139191, 153218, 229827, 238134, 253399, 278382, 459654, 506798, 760197, 1520394, 3294187, 6588374, 9882561, 19765122]

約数ペア:

[(1, 19765122), (2, 9882561), (3, 6588374), (6, 3294187), (13, 1520394), (26, 760197), (39, 506798), (43, 459654), (71, 278382), (78, 253399), (83, 238134), (86, 229827), (129, 153218), (142, 139191), (166, 119067), (213, 92794), (249, 79378), (258, 76609), (426, 46397), (498, 39689), (559, 35358), (923, 21414), (1079, 18318), (1118, 17679), (1677, 11786), (1846, 10707), (2158, 9159), (2769, 7138), (3053, 6474), (3237, 6106), (3354, 5893), (3569, 5538)]