18722700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:384

約数の個数: 108

約数和(自身を含む): 59714928

約数和(自身を除く): 40992228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 71, 75, 90, 100, 142, 150, 180, 213, 225, 284, 293, 300, 355, 426, 450, 586, 639, 710, 852, 879, 900, 1065, 1172, 1278, 1420, 1465, 1758, 1775, 2130, 2556, 2637, 2930, 3195, 3516, 3550, 4260, 4395, 5274, 5325, 5860, 6390, 7100, 7325, 8790, 10548, 10650, 12780, 13185, 14650, 15975, 17580, 20803, 21300, 21975, 26370, 29300, 31950, 41606, 43950, 52740, 62409, 63900, 65925, 83212, 87900, 104015, 124818, 131850, 187227, 208030, 249636, 263700, 312045, 374454, 416060, 520075, 624090, 748908, 936135, 1040150, 1248180, 1560225, 1872270, 2080300, 3120450, 3744540, 4680675, 6240900, 9361350, 18722700]

約数ペア:

[(1, 18722700), (2, 9361350), (3, 6240900), (4, 4680675), (5, 3744540), (6, 3120450), (9, 2080300), (10, 1872270), (12, 1560225), (15, 1248180), (18, 1040150), (20, 936135), (25, 748908), (30, 624090), (36, 520075), (45, 416060), (50, 374454), (60, 312045), (71, 263700), (75, 249636), (90, 208030), (100, 187227), (142, 131850), (150, 124818), (180, 104015), (213, 87900), (225, 83212), (284, 65925), (293, 63900), (300, 62409), (355, 52740), (426, 43950), (450, 41606), (586, 31950), (639, 29300), (710, 26370), (852, 21975), (879, 21300), (900, 20803), (1065, 17580), (1172, 15975), (1278, 14650), (1420, 13185), (1465, 12780), (1758, 10650), (1775, 10548), (2130, 8790), (2556, 7325), (2637, 7100), (2930, 6390), (3195, 5860), (3516, 5325), (3550, 5274), (4260, 4395)]