18343780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10079}}^1$

素因数の和:10108

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 29072540

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, 10079, 20158, 40316, 50395, 70553, 100790, 131027, 141106, 201580, 262054, 282212, 352765, 524108, 655135, 705530, 917189, 1310270, 1411060, 1834378, 2620540, 3668756, 4585945, 9171890, 18343780]

約数ペア:

[(1, 18343780), (2, 9171890), (4, 4585945), (5, 3668756), (7, 2620540), (10, 1834378), (13, 1411060), (14, 1310270), (20, 917189), (26, 705530), (28, 655135), (35, 524108), (52, 352765), (65, 282212), (70, 262054), (91, 201580), (130, 141106), (140, 131027), (182, 100790), (260, 70553), (364, 50395), (455, 40316), (910, 20158), (1820, 10079)]