19278900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:742

約数の個数: 108

約数和(自身を含む): 62468224

約数和(自身を除く): 43189324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 150, 155, 180, 186, 225, 279, 300, 310, 372, 450, 465, 558, 620, 691, 775, 900, 930, 1116, 1382, 1395, 1550, 1860, 2073, 2325, 2764, 2790, 3100, 3455, 4146, 4650, 5580, 6219, 6910, 6975, 8292, 9300, 10365, 12438, 13820, 13950, 17275, 20730, 21421, 24876, 27900, 31095, 34550, 41460, 42842, 51825, 62190, 64263, 69100, 85684, 103650, 107105, 124380, 128526, 155475, 192789, 207300, 214210, 257052, 310950, 321315, 385578, 428420, 535525, 621900, 642630, 771156, 963945, 1071050, 1285260, 1606575, 1927890, 2142100, 3213150, 3855780, 4819725, 6426300, 9639450, 19278900]

約数ペア:

[(1, 19278900), (2, 9639450), (3, 6426300), (4, 4819725), (5, 3855780), (6, 3213150), (9, 2142100), (10, 1927890), (12, 1606575), (15, 1285260), (18, 1071050), (20, 963945), (25, 771156), (30, 642630), (31, 621900), (36, 535525), (45, 428420), (50, 385578), (60, 321315), (62, 310950), (75, 257052), (90, 214210), (93, 207300), (100, 192789), (124, 155475), (150, 128526), (155, 124380), (180, 107105), (186, 103650), (225, 85684), (279, 69100), (300, 64263), (310, 62190), (372, 51825), (450, 42842), (465, 41460), (558, 34550), (620, 31095), (691, 27900), (775, 24876), (900, 21421), (930, 20730), (1116, 17275), (1382, 13950), (1395, 13820), (1550, 12438), (1860, 10365), (2073, 9300), (2325, 8292), (2764, 6975), (2790, 6910), (3100, 6219), (3455, 5580), (4146, 4650)]