19272500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{593}}^1$

素因数の和:630

約数の個数: 60

約数和(自身を含む): 45463572

約数和(自身を除く): 26191072

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 593, 625, 650, 1186, 1250, 1300, 1625, 2372, 2500, 2965, 3250, 5930, 6500, 7709, 8125, 11860, 14825, 15418, 16250, 29650, 30836, 32500, 38545, 59300, 74125, 77090, 148250, 154180, 192725, 296500, 370625, 385450, 741250, 770900, 963625, 1482500, 1927250, 3854500, 4818125, 9636250, 19272500]

約数ペア:

[(1, 19272500), (2, 9636250), (4, 4818125), (5, 3854500), (10, 1927250), (13, 1482500), (20, 963625), (25, 770900), (26, 741250), (50, 385450), (52, 370625), (65, 296500), (100, 192725), (125, 154180), (130, 148250), (250, 77090), (260, 74125), (325, 59300), (500, 38545), (593, 32500), (625, 30836), (650, 29650), (1186, 16250), (1250, 15418), (1300, 14825), (1625, 11860), (2372, 8125), (2500, 7709), (2965, 6500), (3250, 5930)]