19456990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1163}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 40227840

約数和(自身を除く): 20770850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1163, 1195, 1673, 2326, 2390, 3346, 5815, 8141, 8365, 11630, 16282, 16730, 40705, 81410, 277957, 555914, 1389785, 1945699, 2779570, 3891398, 9728495, 19456990]

約数ペア:

[(1, 19456990), (2, 9728495), (5, 3891398), (7, 2779570), (10, 1945699), (14, 1389785), (35, 555914), (70, 277957), (239, 81410), (478, 40705), (1163, 16730), (1195, 16282), (1673, 11630), (2326, 8365), (2390, 8141), (3346, 5815)]