17995460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{743}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 43497216

約数和(自身を除く): 25501756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 743, 865, 1211, 1486, 1730, 2422, 2972, 3460, 3715, 4844, 5201, 6055, 7430, 10402, 12110, 14860, 20804, 24220, 26005, 52010, 104020, 128539, 257078, 514156, 642695, 899773, 1285390, 1799546, 2570780, 3599092, 4498865, 8997730, 17995460]

約数ペア:

[(1, 17995460), (2, 8997730), (4, 4498865), (5, 3599092), (7, 2570780), (10, 1799546), (14, 1285390), (20, 899773), (28, 642695), (35, 514156), (70, 257078), (140, 128539), (173, 104020), (346, 52010), (692, 26005), (743, 24220), (865, 20804), (1211, 14860), (1486, 12110), (1730, 10402), (2422, 7430), (2972, 6055), (3460, 5201), (3715, 4844)]