18871360

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3469}}^1$

素因数の和:3503

約数の個数: 56

約数和(自身を含む): 47594520

約数和(自身を除く): 28723160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 3469, 5440, 6938, 13876, 17345, 27752, 34690, 55504, 58973, 69380, 111008, 117946, 138760, 222016, 235892, 277520, 294865, 471784, 555040, 589730, 943568, 1110080, 1179460, 1887136, 2358920, 3774272, 4717840, 9435680, 18871360]

約数ペア:

[(1, 18871360), (2, 9435680), (4, 4717840), (5, 3774272), (8, 2358920), (10, 1887136), (16, 1179460), (17, 1110080), (20, 943568), (32, 589730), (34, 555040), (40, 471784), (64, 294865), (68, 277520), (80, 235892), (85, 222016), (136, 138760), (160, 117946), (170, 111008), (272, 69380), (320, 58973), (340, 55504), (544, 34690), (680, 27752), (1088, 17345), (1360, 13876), (2720, 6938), (3469, 5440)]