17633980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9689}}^1$

素因数の和:9718

約数の個数: 48

約数和(自身を含む): 45581760

約数和(自身を除く): 27947780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 9689, 19378, 38756, 48445, 67823, 96890, 125957, 135646, 193780, 251914, 271292, 339115, 503828, 629785, 678230, 881699, 1259570, 1356460, 1763398, 2519140, 3526796, 4408495, 8816990, 17633980]

約数ペア:

[(1, 17633980), (2, 8816990), (4, 4408495), (5, 3526796), (7, 2519140), (10, 1763398), (13, 1356460), (14, 1259570), (20, 881699), (26, 678230), (28, 629785), (35, 503828), (52, 339115), (65, 271292), (70, 251914), (91, 193780), (130, 135646), (140, 125957), (182, 96890), (260, 67823), (364, 48445), (455, 38756), (910, 19378), (1820, 9689)]