19049500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1279

約数の個数: 48

約数和(自身を含む): 42981120

約数和(自身を除く): 23931620

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 1229, 1550, 2458, 3100, 3875, 4916, 6145, 7750, 12290, 15500, 24580, 30725, 38099, 61450, 76198, 122900, 152396, 153625, 190495, 307250, 380990, 614500, 761980, 952475, 1904950, 3809900, 4762375, 9524750, 19049500]

約数ペア:

[(1, 19049500), (2, 9524750), (4, 4762375), (5, 3809900), (10, 1904950), (20, 952475), (25, 761980), (31, 614500), (50, 380990), (62, 307250), (100, 190495), (124, 153625), (125, 152396), (155, 122900), (250, 76198), (310, 61450), (500, 38099), (620, 30725), (775, 24580), (1229, 15500), (1550, 12290), (2458, 7750), (3100, 6145), (3875, 4916)]