19812312

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:433

約数の個数: 96

約数和(自身を含む): 58902480

約数和(自身を除く): 39090168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 61, 72, 78, 104, 117, 122, 156, 183, 234, 244, 312, 347, 366, 468, 488, 549, 694, 732, 793, 936, 1041, 1098, 1388, 1464, 1586, 2082, 2196, 2379, 2776, 3123, 3172, 4164, 4392, 4511, 4758, 6246, 6344, 7137, 8328, 9022, 9516, 12492, 13533, 14274, 18044, 19032, 21167, 24984, 27066, 28548, 36088, 40599, 42334, 54132, 57096, 63501, 81198, 84668, 108264, 127002, 162396, 169336, 190503, 254004, 275171, 324792, 381006, 508008, 550342, 762012, 825513, 1100684, 1524024, 1651026, 2201368, 2476539, 3302052, 4953078, 6604104, 9906156, 19812312]

約数ペア:

[(1, 19812312), (2, 9906156), (3, 6604104), (4, 4953078), (6, 3302052), (8, 2476539), (9, 2201368), (12, 1651026), (13, 1524024), (18, 1100684), (24, 825513), (26, 762012), (36, 550342), (39, 508008), (52, 381006), (61, 324792), (72, 275171), (78, 254004), (104, 190503), (117, 169336), (122, 162396), (156, 127002), (183, 108264), (234, 84668), (244, 81198), (312, 63501), (347, 57096), (366, 54132), (468, 42334), (488, 40599), (549, 36088), (694, 28548), (732, 27066), (793, 24984), (936, 21167), (1041, 19032), (1098, 18044), (1388, 14274), (1464, 13533), (1586, 12492), (2082, 9516), (2196, 9022), (2379, 8328), (2776, 7137), (3123, 6344), (3172, 6246), (4164, 4758), (4392, 4511)]