19515546

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 28177254

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 69, 114, 138, 171, 207, 342, 414, 437, 513, 621, 827, 874, 1026, 1242, 1311, 1654, 2481, 2622, 3933, 4962, 7443, 7866, 11799, 14886, 15713, 19021, 22329, 23598, 31426, 38042, 44658, 47139, 57063, 94278, 114126, 141417, 171189, 282834, 342378, 361399, 424251, 513567, 722798, 848502, 1027134, 1084197, 2168394, 3252591, 6505182, 9757773, 19515546]

約数ペア:

[(1, 19515546), (2, 9757773), (3, 6505182), (6, 3252591), (9, 2168394), (18, 1084197), (19, 1027134), (23, 848502), (27, 722798), (38, 513567), (46, 424251), (54, 361399), (57, 342378), (69, 282834), (114, 171189), (138, 141417), (171, 114126), (207, 94278), (342, 57063), (414, 47139), (437, 44658), (513, 38042), (621, 31426), (827, 23598), (874, 22329), (1026, 19021), (1242, 15713), (1311, 14886), (1654, 11799), (2481, 7866), (2622, 7443), (3933, 4962)]