19853250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 50229504

約数和(自身を除く): 30376254

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 103, 125, 150, 206, 250, 257, 309, 375, 514, 515, 618, 750, 771, 1030, 1285, 1542, 1545, 2570, 2575, 3090, 3855, 5150, 6425, 7710, 7725, 12850, 12875, 15450, 19275, 25750, 26471, 32125, 38550, 38625, 52942, 64250, 77250, 79413, 96375, 132355, 158826, 192750, 264710, 397065, 661775, 794130, 1323550, 1985325, 3308875, 3970650, 6617750, 9926625, 19853250]

約数ペア:

[(1, 19853250), (2, 9926625), (3, 6617750), (5, 3970650), (6, 3308875), (10, 1985325), (15, 1323550), (25, 794130), (30, 661775), (50, 397065), (75, 264710), (103, 192750), (125, 158826), (150, 132355), (206, 96375), (250, 79413), (257, 77250), (309, 64250), (375, 52942), (514, 38625), (515, 38550), (618, 32125), (750, 26471), (771, 25750), (1030, 19275), (1285, 15450), (1542, 12875), (1545, 12850), (2570, 7725), (2575, 7710), (3090, 6425), (3855, 5150)]