18202730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 40981248

約数和(自身を除く): 22778518

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 83, 91, 130, 166, 182, 241, 415, 455, 482, 581, 830, 910, 1079, 1162, 1205, 1687, 2158, 2410, 2905, 3133, 3374, 5395, 5810, 6266, 7553, 8435, 10790, 15106, 15665, 16870, 20003, 21931, 31330, 37765, 40006, 43862, 75530, 100015, 109655, 140021, 200030, 219310, 260039, 280042, 520078, 700105, 1300195, 1400210, 1820273, 2600390, 3640546, 9101365, 18202730]

約数ペア:

[(1, 18202730), (2, 9101365), (5, 3640546), (7, 2600390), (10, 1820273), (13, 1400210), (14, 1300195), (26, 700105), (35, 520078), (65, 280042), (70, 260039), (83, 219310), (91, 200030), (130, 140021), (166, 109655), (182, 100015), (241, 75530), (415, 43862), (455, 40006), (482, 37765), (581, 31330), (830, 21931), (910, 20003), (1079, 16870), (1162, 15665), (1205, 15106), (1687, 10790), (2158, 8435), (2410, 7553), (2905, 6266), (3133, 5810), (3374, 5395)]