18996800

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:436

約数の個数: 84

約数和(自身を含む): 48377856

約数和(自身を除く): 29381056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 383, 400, 496, 620, 766, 775, 800, 992, 1240, 1532, 1550, 1600, 1915, 1984, 2480, 3064, 3100, 3830, 4960, 6128, 6200, 7660, 9575, 9920, 11873, 12256, 12400, 15320, 19150, 23746, 24512, 24800, 30640, 38300, 47492, 49600, 59365, 61280, 76600, 94984, 118730, 122560, 153200, 189968, 237460, 296825, 306400, 379936, 474920, 593650, 612800, 759872, 949840, 1187300, 1899680, 2374600, 3799360, 4749200, 9498400, 18996800]

約数ペア:

[(1, 18996800), (2, 9498400), (4, 4749200), (5, 3799360), (8, 2374600), (10, 1899680), (16, 1187300), (20, 949840), (25, 759872), (31, 612800), (32, 593650), (40, 474920), (50, 379936), (62, 306400), (64, 296825), (80, 237460), (100, 189968), (124, 153200), (155, 122560), (160, 118730), (200, 94984), (248, 76600), (310, 61280), (320, 59365), (383, 49600), (400, 47492), (496, 38300), (620, 30640), (766, 24800), (775, 24512), (800, 23746), (992, 19150), (1240, 15320), (1532, 12400), (1550, 12256), (1600, 11873), (1915, 9920), (1984, 9575), (2480, 7660), (3064, 6200), (3100, 6128), (3830, 4960)]