19156984209

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{34499}}^1$

素因数の和:34666

約数の個数: 48

約数和(自身を含む): 31000320000

約数和(自身を除く): 11843335791

約数列:

[1, 3, 9, 11, 33, 71, 79, 99, 213, 237, 639, 711, 781, 869, 2343, 2607, 5609, 7029, 7821, 16827, 34499, 50481, 61699, 103497, 185097, 310491, 379489, 555291, 1138467, 2449429, 2725421, 3415401, 7348287, 8176263, 22044861, 24528789, 26943719, 29979631, 80831157, 89938893, 193504891, 242493471, 269816679, 580514673, 1741544019, 2128553801, 6385661403, 19156984209]

約数ペア:

[(1, 19156984209), (3, 6385661403), (9, 2128553801), (11, 1741544019), (33, 580514673), (71, 269816679), (79, 242493471), (99, 193504891), (213, 89938893), (237, 80831157), (639, 29979631), (711, 26943719), (781, 24528789), (869, 22044861), (2343, 8176263), (2607, 7348287), (5609, 3415401), (7029, 2725421), (7821, 2449429), (16827, 1138467), (34499, 555291), (50481, 379489), (61699, 310491), (103497, 185097)]