19996410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 56996352

約数和(自身を除く): 36999942

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 61, 70, 98, 105, 122, 147, 183, 210, 223, 245, 294, 305, 366, 427, 446, 490, 610, 669, 735, 854, 915, 1115, 1281, 1338, 1470, 1561, 1830, 2135, 2230, 2562, 2989, 3122, 3345, 4270, 4683, 5978, 6405, 6690, 7805, 8967, 9366, 10927, 12810, 13603, 14945, 15610, 17934, 21854, 23415, 27206, 29890, 32781, 40809, 44835, 46830, 54635, 65562, 68015, 81618, 89670, 95221, 109270, 136030, 163905, 190442, 204045, 285663, 327810, 408090, 476105, 571326, 666547, 952210, 1333094, 1428315, 1999641, 2856630, 3332735, 3999282, 6665470, 9998205, 19996410]

約数ペア:

[(1, 19996410), (2, 9998205), (3, 6665470), (5, 3999282), (6, 3332735), (7, 2856630), (10, 1999641), (14, 1428315), (15, 1333094), (21, 952210), (30, 666547), (35, 571326), (42, 476105), (49, 408090), (61, 327810), (70, 285663), (98, 204045), (105, 190442), (122, 163905), (147, 136030), (183, 109270), (210, 95221), (223, 89670), (245, 81618), (294, 68015), (305, 65562), (366, 54635), (427, 46830), (446, 44835), (490, 40809), (610, 32781), (669, 29890), (735, 27206), (854, 23415), (915, 21854), (1115, 17934), (1281, 15610), (1338, 14945), (1470, 13603), (1561, 12810), (1830, 10927), (2135, 9366), (2230, 8967), (2562, 7805), (2989, 6690), (3122, 6405), (3345, 5978), (4270, 4683)]