18735860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6551}}^1$

素因数の和:6584

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 27495052

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6551, 13102, 26204, 32755, 65510, 72061, 85163, 131020, 144122, 170326, 288244, 340652, 360305, 425815, 720610, 851630, 936793, 1441220, 1703260, 1873586, 3747172, 4683965, 9367930, 18735860]

約数ペア:

[(1, 18735860), (2, 9367930), (4, 4683965), (5, 3747172), (10, 1873586), (11, 1703260), (13, 1441220), (20, 936793), (22, 851630), (26, 720610), (44, 425815), (52, 360305), (55, 340652), (65, 288244), (110, 170326), (130, 144122), (143, 131020), (220, 85163), (260, 72061), (286, 65510), (572, 32755), (715, 26204), (1430, 13102), (2860, 6551)]