18523260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 65537472

約数和(自身を除く): 47014212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 241, 244, 252, 305, 315, 366, 420, 427, 482, 549, 610, 630, 723, 732, 854, 915, 964, 1098, 1205, 1220, 1260, 1281, 1446, 1687, 1708, 1830, 2135, 2169, 2196, 2410, 2562, 2745, 2892, 3374, 3615, 3660, 3843, 4270, 4338, 4820, 5061, 5124, 5490, 6405, 6748, 7230, 7686, 8435, 8540, 8676, 10122, 10845, 10980, 12810, 14460, 14701, 15183, 15372, 16870, 19215, 20244, 21690, 25305, 25620, 29402, 30366, 33740, 38430, 43380, 44103, 50610, 58804, 60732, 73505, 75915, 76860, 88206, 101220, 102907, 132309, 147010, 151830, 176412, 205814, 220515, 264618, 294020, 303660, 308721, 411628, 441030, 514535, 529236, 617442, 661545, 882060, 926163, 1029070, 1234884, 1323090, 1543605, 1852326, 2058140, 2646180, 3087210, 3704652, 4630815, 6174420, 9261630, 18523260]

約数ペア:

[(1, 18523260), (2, 9261630), (3, 6174420), (4, 4630815), (5, 3704652), (6, 3087210), (7, 2646180), (9, 2058140), (10, 1852326), (12, 1543605), (14, 1323090), (15, 1234884), (18, 1029070), (20, 926163), (21, 882060), (28, 661545), (30, 617442), (35, 529236), (36, 514535), (42, 441030), (45, 411628), (60, 308721), (61, 303660), (63, 294020), (70, 264618), (84, 220515), (90, 205814), (105, 176412), (122, 151830), (126, 147010), (140, 132309), (180, 102907), (183, 101220), (210, 88206), (241, 76860), (244, 75915), (252, 73505), (305, 60732), (315, 58804), (366, 50610), (420, 44103), (427, 43380), (482, 38430), (549, 33740), (610, 30366), (630, 29402), (723, 25620), (732, 25305), (854, 21690), (915, 20244), (964, 19215), (1098, 16870), (1205, 15372), (1220, 15183), (1260, 14701), (1281, 14460), (1446, 12810), (1687, 10980), (1708, 10845), (1830, 10122), (2135, 8676), (2169, 8540), (2196, 8435), (2410, 7686), (2562, 7230), (2745, 6748), (2892, 6405), (3374, 5490), (3615, 5124), (3660, 5061), (3843, 4820), (4270, 4338)]