19071250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:125

約数の個数: 80

約数和(自身を含む): 41611680

約数和(自身を除く): 22540430

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 73, 95, 110, 125, 146, 190, 209, 250, 275, 365, 418, 475, 550, 625, 730, 803, 950, 1045, 1250, 1375, 1387, 1606, 1825, 2090, 2375, 2750, 2774, 3650, 4015, 4750, 5225, 6875, 6935, 8030, 9125, 10450, 11875, 13750, 13870, 15257, 18250, 20075, 23750, 26125, 30514, 34675, 40150, 45625, 52250, 69350, 76285, 91250, 100375, 130625, 152570, 173375, 200750, 261250, 346750, 381425, 501875, 762850, 866875, 1003750, 1733750, 1907125, 3814250, 9535625, 19071250]

約数ペア:

[(1, 19071250), (2, 9535625), (5, 3814250), (10, 1907125), (11, 1733750), (19, 1003750), (22, 866875), (25, 762850), (38, 501875), (50, 381425), (55, 346750), (73, 261250), (95, 200750), (110, 173375), (125, 152570), (146, 130625), (190, 100375), (209, 91250), (250, 76285), (275, 69350), (365, 52250), (418, 45625), (475, 40150), (550, 34675), (625, 30514), (730, 26125), (803, 23750), (950, 20075), (1045, 18250), (1250, 15257), (1375, 13870), (1387, 13750), (1606, 11875), (1825, 10450), (2090, 9125), (2375, 8030), (2750, 6935), (2774, 6875), (3650, 5225), (4015, 4750)]