19400310

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:619

約数の個数: 80

約数和(自身を含む): 53474256

約数和(自身を除く): 34073946

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 81, 86, 90, 129, 135, 162, 215, 258, 270, 387, 405, 430, 557, 645, 774, 810, 1114, 1161, 1290, 1671, 1935, 2322, 2785, 3342, 3483, 3870, 5013, 5570, 5805, 6966, 8355, 10026, 11610, 15039, 16710, 17415, 23951, 25065, 30078, 34830, 45117, 47902, 50130, 71853, 75195, 90234, 119755, 143706, 150390, 215559, 225585, 239510, 359265, 431118, 451170, 646677, 718530, 1077795, 1293354, 1940031, 2155590, 3233385, 3880062, 6466770, 9700155, 19400310]

約数ペア:

[(1, 19400310), (2, 9700155), (3, 6466770), (5, 3880062), (6, 3233385), (9, 2155590), (10, 1940031), (15, 1293354), (18, 1077795), (27, 718530), (30, 646677), (43, 451170), (45, 431118), (54, 359265), (81, 239510), (86, 225585), (90, 215559), (129, 150390), (135, 143706), (162, 119755), (215, 90234), (258, 75195), (270, 71853), (387, 50130), (405, 47902), (430, 45117), (557, 34830), (645, 30078), (774, 25065), (810, 23951), (1114, 17415), (1161, 16710), (1290, 15039), (1671, 11610), (1935, 10026), (2322, 8355), (2785, 6966), (3342, 5805), (3483, 5570), (3870, 5013)]