18949080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8311}}^1$

素因数の和:8344

約数の個数: 64

約数和(自身を含む): 59846400

約数和(自身を除く): 40897320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8311, 16622, 24933, 33244, 41555, 49866, 66488, 83110, 99732, 124665, 157909, 166220, 199464, 249330, 315818, 332440, 473727, 498660, 631636, 789545, 947454, 997320, 1263272, 1579090, 1894908, 2368635, 3158180, 3789816, 4737270, 6316360, 9474540, 18949080]

約数ペア:

[(1, 18949080), (2, 9474540), (3, 6316360), (4, 4737270), (5, 3789816), (6, 3158180), (8, 2368635), (10, 1894908), (12, 1579090), (15, 1263272), (19, 997320), (20, 947454), (24, 789545), (30, 631636), (38, 498660), (40, 473727), (57, 332440), (60, 315818), (76, 249330), (95, 199464), (114, 166220), (120, 157909), (152, 124665), (190, 99732), (228, 83110), (285, 66488), (380, 49866), (456, 41555), (570, 33244), (760, 24933), (1140, 16622), (2280, 8311)]