18330780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 56222208

約数和(自身を除く): 37891428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 71, 78, 130, 142, 156, 195, 213, 260, 284, 331, 355, 390, 426, 662, 710, 780, 852, 923, 993, 1065, 1324, 1420, 1655, 1846, 1986, 2130, 2769, 3310, 3692, 3972, 4260, 4303, 4615, 4965, 5538, 6620, 8606, 9230, 9930, 11076, 12909, 13845, 17212, 18460, 19860, 21515, 23501, 25818, 27690, 43030, 47002, 51636, 55380, 64545, 70503, 86060, 94004, 117505, 129090, 141006, 235010, 258180, 282012, 305513, 352515, 470020, 611026, 705030, 916539, 1222052, 1410060, 1527565, 1833078, 3055130, 3666156, 4582695, 6110260, 9165390, 18330780]

約数ペア:

[(1, 18330780), (2, 9165390), (3, 6110260), (4, 4582695), (5, 3666156), (6, 3055130), (10, 1833078), (12, 1527565), (13, 1410060), (15, 1222052), (20, 916539), (26, 705030), (30, 611026), (39, 470020), (52, 352515), (60, 305513), (65, 282012), (71, 258180), (78, 235010), (130, 141006), (142, 129090), (156, 117505), (195, 94004), (213, 86060), (260, 70503), (284, 64545), (331, 55380), (355, 51636), (390, 47002), (426, 43030), (662, 27690), (710, 25818), (780, 23501), (852, 21515), (923, 19860), (993, 18460), (1065, 17212), (1324, 13845), (1420, 12909), (1655, 11076), (1846, 9930), (1986, 9230), (2130, 8606), (2769, 6620), (3310, 5538), (3692, 4965), (3972, 4615), (4260, 4303)]