19619880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23357}}^1$

素因数の和:23378

約数の個数: 64

約数和(自身を含む): 67271040

約数和(自身を除く): 47651160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23357, 46714, 70071, 93428, 116785, 140142, 163499, 186856, 233570, 280284, 326998, 350355, 467140, 490497, 560568, 653996, 700710, 817495, 934280, 980994, 1307992, 1401420, 1634990, 1961988, 2452485, 2802840, 3269980, 3923976, 4904970, 6539960, 9809940, 19619880]

約数ペア:

[(1, 19619880), (2, 9809940), (3, 6539960), (4, 4904970), (5, 3923976), (6, 3269980), (7, 2802840), (8, 2452485), (10, 1961988), (12, 1634990), (14, 1401420), (15, 1307992), (20, 980994), (21, 934280), (24, 817495), (28, 700710), (30, 653996), (35, 560568), (40, 490497), (42, 467140), (56, 350355), (60, 326998), (70, 280284), (84, 233570), (105, 186856), (120, 163499), (140, 140142), (168, 116785), (210, 93428), (280, 70071), (420, 46714), (840, 23357)]