18022450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 35979840

約数和(自身を除く): 17957390

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 122, 190, 305, 311, 475, 610, 622, 950, 1159, 1525, 1555, 2318, 3050, 3110, 5795, 5909, 7775, 11590, 11818, 15550, 18971, 28975, 29545, 37942, 57950, 59090, 94855, 147725, 189710, 295450, 360449, 474275, 720898, 948550, 1802245, 3604490, 9011225, 18022450]

約数ペア:

[(1, 18022450), (2, 9011225), (5, 3604490), (10, 1802245), (19, 948550), (25, 720898), (38, 474275), (50, 360449), (61, 295450), (95, 189710), (122, 147725), (190, 94855), (305, 59090), (311, 57950), (475, 37942), (610, 29545), (622, 28975), (950, 18971), (1159, 15550), (1525, 11818), (1555, 11590), (2318, 7775), (3050, 5909), (3110, 5795)]