19908390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 31413210

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 53, 57, 95, 106, 114, 159, 190, 265, 285, 318, 530, 570, 659, 795, 1007, 1318, 1590, 1977, 2014, 3021, 3295, 3954, 5035, 6042, 6590, 9885, 10070, 12521, 15105, 19770, 25042, 30210, 34927, 37563, 62605, 69854, 75126, 104781, 125210, 174635, 187815, 209562, 349270, 375630, 523905, 663613, 1047810, 1327226, 1990839, 3318065, 3981678, 6636130, 9954195, 19908390]

約数ペア:

[(1, 19908390), (2, 9954195), (3, 6636130), (5, 3981678), (6, 3318065), (10, 1990839), (15, 1327226), (19, 1047810), (30, 663613), (38, 523905), (53, 375630), (57, 349270), (95, 209562), (106, 187815), (114, 174635), (159, 125210), (190, 104781), (265, 75126), (285, 69854), (318, 62605), (530, 37563), (570, 34927), (659, 30210), (795, 25042), (1007, 19770), (1318, 15105), (1590, 12521), (1977, 10070), (2014, 9885), (3021, 6590), (3295, 6042), (3954, 5035)]