17916870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 44706816

約数和(自身を除く): 26789946

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 97, 131, 141, 194, 235, 262, 282, 291, 393, 470, 485, 582, 655, 705, 786, 970, 1310, 1410, 1455, 1965, 2910, 3930, 4559, 6157, 9118, 12314, 12707, 13677, 18471, 22795, 25414, 27354, 30785, 36942, 38121, 45590, 61570, 63535, 68385, 76242, 92355, 127070, 136770, 184710, 190605, 381210, 597229, 1194458, 1791687, 2986145, 3583374, 5972290, 8958435, 17916870]

約数ペア:

[(1, 17916870), (2, 8958435), (3, 5972290), (5, 3583374), (6, 2986145), (10, 1791687), (15, 1194458), (30, 597229), (47, 381210), (94, 190605), (97, 184710), (131, 136770), (141, 127070), (194, 92355), (235, 76242), (262, 68385), (282, 63535), (291, 61570), (393, 45590), (470, 38121), (485, 36942), (582, 30785), (655, 27354), (705, 25414), (786, 22795), (970, 18471), (1310, 13677), (1410, 12707), (1455, 12314), (1965, 9118), (2910, 6157), (3930, 4559)]