18224668

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 41368320

約数和(自身を除く): 23143652

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 79, 98, 107, 154, 158, 196, 214, 308, 316, 428, 539, 553, 749, 869, 1078, 1106, 1177, 1498, 1738, 2156, 2212, 2354, 2996, 3476, 3871, 4708, 5243, 6083, 7742, 8239, 8453, 10486, 12166, 15484, 16478, 16906, 20972, 24332, 32956, 33812, 42581, 57673, 59171, 85162, 92983, 115346, 118342, 170324, 185966, 230692, 236684, 371932, 414197, 650881, 828394, 1301762, 1656788, 2603524, 4556167, 9112334, 18224668]

約数ペア:

[(1, 18224668), (2, 9112334), (4, 4556167), (7, 2603524), (11, 1656788), (14, 1301762), (22, 828394), (28, 650881), (44, 414197), (49, 371932), (77, 236684), (79, 230692), (98, 185966), (107, 170324), (154, 118342), (158, 115346), (196, 92983), (214, 85162), (308, 59171), (316, 57673), (428, 42581), (539, 33812), (553, 32956), (749, 24332), (869, 20972), (1078, 16906), (1106, 16478), (1177, 15484), (1498, 12166), (1738, 10486), (2156, 8453), (2212, 8239), (2354, 7742), (2996, 6083), (3476, 5243), (3871, 4708)]