19462875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 35582976

約数和(自身を除く): 16120101

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 71, 75, 85, 125, 129, 213, 215, 255, 355, 375, 425, 645, 731, 1065, 1075, 1207, 1275, 1775, 2125, 2193, 3053, 3225, 3621, 3655, 5325, 5375, 6035, 6375, 8875, 9159, 10965, 15265, 16125, 18105, 18275, 26625, 30175, 45795, 51901, 54825, 76325, 90525, 91375, 150875, 155703, 228975, 259505, 274125, 381625, 452625, 778515, 1144875, 1297525, 3892575, 6487625, 19462875]

約数ペア:

[(1, 19462875), (3, 6487625), (5, 3892575), (15, 1297525), (17, 1144875), (25, 778515), (43, 452625), (51, 381625), (71, 274125), (75, 259505), (85, 228975), (125, 155703), (129, 150875), (213, 91375), (215, 90525), (255, 76325), (355, 54825), (375, 51901), (425, 45795), (645, 30175), (731, 26625), (1065, 18275), (1075, 18105), (1207, 16125), (1275, 15265), (1775, 10965), (2125, 9159), (2193, 8875), (3053, 6375), (3225, 6035), (3621, 5375), (3655, 5325)]