17873820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 36900900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 911, 981, 1090, 1308, 1635, 1822, 1962, 2180, 2733, 3270, 3644, 3924, 4555, 4905, 5466, 6540, 8199, 9110, 9810, 10932, 13665, 16398, 18220, 19620, 27330, 32796, 40995, 54660, 81990, 99299, 163980, 198598, 297897, 397196, 496495, 595794, 893691, 992990, 1191588, 1489485, 1787382, 1985980, 2978970, 3574764, 4468455, 5957940, 8936910, 17873820]

約数ペア:

[(1, 17873820), (2, 8936910), (3, 5957940), (4, 4468455), (5, 3574764), (6, 2978970), (9, 1985980), (10, 1787382), (12, 1489485), (15, 1191588), (18, 992990), (20, 893691), (30, 595794), (36, 496495), (45, 397196), (60, 297897), (90, 198598), (109, 163980), (180, 99299), (218, 81990), (327, 54660), (436, 40995), (545, 32796), (654, 27330), (911, 19620), (981, 18220), (1090, 16398), (1308, 13665), (1635, 10932), (1822, 9810), (1962, 9110), (2180, 8199), (2733, 6540), (3270, 5466), (3644, 4905), (3924, 4555)]