19518056

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 37584000

約数和(自身を除く): 18065944

約数列:

[1, 2, 4, 8, 79, 89, 158, 178, 316, 347, 356, 632, 694, 712, 1388, 2776, 7031, 14062, 27413, 28124, 30883, 54826, 56248, 61766, 109652, 123532, 219304, 247064, 2439757, 4879514, 9759028, 19518056]

約数ペア:

[(1, 19518056), (2, 9759028), (4, 4879514), (8, 2439757), (79, 247064), (89, 219304), (158, 123532), (178, 109652), (316, 61766), (347, 56248), (356, 54826), (632, 30883), (694, 28124), (712, 27413), (1388, 14062), (2776, 7031)]