18997230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1483}}^1$

素因数の和:1561

約数の個数: 64

約数和(自身を含む): 52996608

約数和(自身を除く): 33999378

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1483, 1830, 2135, 2562, 2966, 4270, 4449, 6405, 7415, 8898, 10381, 12810, 14830, 20762, 22245, 31143, 44490, 51905, 62286, 90463, 103810, 155715, 180926, 271389, 311430, 452315, 542778, 633241, 904630, 1266482, 1356945, 1899723, 2713890, 3166205, 3799446, 6332410, 9498615, 18997230]

約数ペア:

[(1, 18997230), (2, 9498615), (3, 6332410), (5, 3799446), (6, 3166205), (7, 2713890), (10, 1899723), (14, 1356945), (15, 1266482), (21, 904630), (30, 633241), (35, 542778), (42, 452315), (61, 311430), (70, 271389), (105, 180926), (122, 155715), (183, 103810), (210, 90463), (305, 62286), (366, 51905), (427, 44490), (610, 31143), (854, 22245), (915, 20762), (1281, 14830), (1483, 12810), (1830, 10381), (2135, 8898), (2562, 7415), (2966, 6405), (4270, 4449)]