18423860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 30347212

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 53, 65, 70, 91, 106, 130, 140, 182, 191, 212, 260, 265, 364, 371, 382, 455, 530, 689, 742, 764, 910, 955, 1060, 1337, 1378, 1484, 1820, 1855, 1910, 2483, 2674, 2756, 3445, 3710, 3820, 4823, 4966, 5348, 6685, 6890, 7420, 9646, 9932, 10123, 12415, 13370, 13780, 17381, 19292, 20246, 24115, 24830, 26740, 34762, 40492, 48230, 49660, 50615, 69524, 70861, 86905, 96460, 101230, 131599, 141722, 173810, 202460, 263198, 283444, 347620, 354305, 526396, 657995, 708610, 921193, 1315990, 1417220, 1842386, 2631980, 3684772, 4605965, 9211930, 18423860]

約数ペア:

[(1, 18423860), (2, 9211930), (4, 4605965), (5, 3684772), (7, 2631980), (10, 1842386), (13, 1417220), (14, 1315990), (20, 921193), (26, 708610), (28, 657995), (35, 526396), (52, 354305), (53, 347620), (65, 283444), (70, 263198), (91, 202460), (106, 173810), (130, 141722), (140, 131599), (182, 101230), (191, 96460), (212, 86905), (260, 70861), (265, 69524), (364, 50615), (371, 49660), (382, 48230), (455, 40492), (530, 34762), (689, 26740), (742, 24830), (764, 24115), (910, 20246), (955, 19292), (1060, 17381), (1337, 13780), (1378, 13370), (1484, 12415), (1820, 10123), (1855, 9932), (1910, 9646), (2483, 7420), (2674, 6890), (2756, 6685), (3445, 5348), (3710, 4966), (3820, 4823)]