18637100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 45153360

約数和(自身を除く): 26516260

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 577, 646, 850, 950, 1154, 1292, 1615, 1700, 1900, 2308, 2885, 3230, 5770, 6460, 8075, 9809, 10963, 11540, 14425, 16150, 19618, 21926, 28850, 32300, 39236, 43852, 49045, 54815, 57700, 98090, 109630, 186371, 196180, 219260, 245225, 274075, 372742, 490450, 548150, 745484, 931855, 980900, 1096300, 1863710, 3727420, 4659275, 9318550, 18637100]

約数ペア:

[(1, 18637100), (2, 9318550), (4, 4659275), (5, 3727420), (10, 1863710), (17, 1096300), (19, 980900), (20, 931855), (25, 745484), (34, 548150), (38, 490450), (50, 372742), (68, 274075), (76, 245225), (85, 219260), (95, 196180), (100, 186371), (170, 109630), (190, 98090), (323, 57700), (340, 54815), (380, 49045), (425, 43852), (475, 39236), (577, 32300), (646, 28850), (850, 21926), (950, 19618), (1154, 16150), (1292, 14425), (1615, 11540), (1700, 10963), (1900, 9809), (2308, 8075), (2885, 6460), (3230, 5770)]