18107950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 72

約数和(自身を含む): 41347800

約数和(自身を除く): 23239850

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 49, 50, 70, 95, 98, 133, 175, 190, 245, 266, 350, 389, 475, 490, 665, 778, 931, 950, 1225, 1330, 1862, 1945, 2450, 2723, 3325, 3890, 4655, 5446, 6650, 7391, 9310, 9725, 13615, 14782, 19061, 19450, 23275, 27230, 36955, 38122, 46550, 51737, 68075, 73910, 95305, 103474, 136150, 184775, 190610, 258685, 362159, 369550, 476525, 517370, 724318, 953050, 1293425, 1810795, 2586850, 3621590, 9053975, 18107950]

約数ペア:

[(1, 18107950), (2, 9053975), (5, 3621590), (7, 2586850), (10, 1810795), (14, 1293425), (19, 953050), (25, 724318), (35, 517370), (38, 476525), (49, 369550), (50, 362159), (70, 258685), (95, 190610), (98, 184775), (133, 136150), (175, 103474), (190, 95305), (245, 73910), (266, 68075), (350, 51737), (389, 46550), (475, 38122), (490, 36955), (665, 27230), (778, 23275), (931, 19450), (950, 19061), (1225, 14782), (1330, 13615), (1862, 9725), (1945, 9310), (2450, 7391), (2723, 6650), (3325, 5446), (3890, 4655)]