18333945

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 39029760

約数和(自身を除く): 20695815

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 81, 87, 105, 135, 145, 189, 203, 223, 261, 315, 405, 435, 567, 609, 669, 783, 945, 1015, 1115, 1305, 1561, 1827, 2007, 2349, 2835, 3045, 3345, 3915, 4683, 5481, 6021, 6467, 7805, 9135, 10035, 11745, 14049, 16443, 18063, 19401, 23415, 27405, 30105, 32335, 42147, 45269, 58203, 70245, 82215, 90315, 97005, 126441, 135807, 174609, 210735, 226345, 291015, 407421, 523827, 632205, 679035, 873045, 1222263, 2037105, 2619135, 3666789, 6111315, 18333945]

約数ペア:

[(1, 18333945), (3, 6111315), (5, 3666789), (7, 2619135), (9, 2037105), (15, 1222263), (21, 873045), (27, 679035), (29, 632205), (35, 523827), (45, 407421), (63, 291015), (81, 226345), (87, 210735), (105, 174609), (135, 135807), (145, 126441), (189, 97005), (203, 90315), (223, 82215), (261, 70245), (315, 58203), (405, 45269), (435, 42147), (567, 32335), (609, 30105), (669, 27405), (783, 23415), (945, 19401), (1015, 18063), (1115, 16443), (1305, 14049), (1561, 11745), (1827, 10035), (2007, 9135), (2349, 7805), (2835, 6467), (3045, 6021), (3345, 5481), (3915, 4683)]