18467540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 48733440

約数和(自身を除く): 30265900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 73, 91, 130, 139, 140, 146, 182, 260, 278, 292, 364, 365, 455, 511, 556, 695, 730, 910, 949, 973, 1022, 1390, 1460, 1807, 1820, 1898, 1946, 2044, 2555, 2780, 3614, 3796, 3892, 4745, 4865, 5110, 6643, 7228, 9035, 9490, 9730, 10147, 10220, 12649, 13286, 18070, 18980, 19460, 20294, 25298, 26572, 33215, 36140, 40588, 50596, 50735, 63245, 66430, 71029, 101470, 126490, 131911, 132860, 142058, 202940, 252980, 263822, 284116, 355145, 527644, 659555, 710290, 923377, 1319110, 1420580, 1846754, 2638220, 3693508, 4616885, 9233770, 18467540]

約数ペア:

[(1, 18467540), (2, 9233770), (4, 4616885), (5, 3693508), (7, 2638220), (10, 1846754), (13, 1420580), (14, 1319110), (20, 923377), (26, 710290), (28, 659555), (35, 527644), (52, 355145), (65, 284116), (70, 263822), (73, 252980), (91, 202940), (130, 142058), (139, 132860), (140, 131911), (146, 126490), (182, 101470), (260, 71029), (278, 66430), (292, 63245), (364, 50735), (365, 50596), (455, 40588), (511, 36140), (556, 33215), (695, 26572), (730, 25298), (910, 20294), (949, 19460), (973, 18980), (1022, 18070), (1390, 13286), (1460, 12649), (1807, 10220), (1820, 10147), (1898, 9730), (1946, 9490), (2044, 9035), (2555, 7228), (2780, 6643), (3614, 5110), (3796, 4865), (3892, 4745)]