17948556

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 48353760

約数和(自身を除く): 30405204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 53, 69, 92, 106, 138, 159, 207, 212, 276, 318, 409, 414, 477, 636, 818, 828, 954, 1219, 1227, 1636, 1908, 2438, 2454, 3657, 3681, 4876, 4908, 7314, 7362, 9407, 10971, 14628, 14724, 18814, 21677, 21942, 28221, 37628, 43354, 43884, 56442, 65031, 84663, 86708, 112884, 130062, 169326, 195093, 260124, 338652, 390186, 498571, 780372, 997142, 1495713, 1994284, 2991426, 4487139, 5982852, 8974278, 17948556]

約数ペア:

[(1, 17948556), (2, 8974278), (3, 5982852), (4, 4487139), (6, 2991426), (9, 1994284), (12, 1495713), (18, 997142), (23, 780372), (36, 498571), (46, 390186), (53, 338652), (69, 260124), (92, 195093), (106, 169326), (138, 130062), (159, 112884), (207, 86708), (212, 84663), (276, 65031), (318, 56442), (409, 43884), (414, 43354), (477, 37628), (636, 28221), (818, 21942), (828, 21677), (954, 18814), (1219, 14724), (1227, 14628), (1636, 10971), (1908, 9407), (2438, 7362), (2454, 7314), (3657, 4908), (3681, 4876)]