18880056

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 57526560

約数和(自身を除く): 38646504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 39, 46, 52, 69, 72, 78, 92, 104, 117, 138, 156, 184, 207, 234, 276, 299, 312, 414, 468, 552, 598, 828, 877, 897, 936, 1196, 1656, 1754, 1794, 2392, 2631, 2691, 3508, 3588, 5262, 5382, 7016, 7176, 7893, 10524, 10764, 11401, 15786, 20171, 21048, 21528, 22802, 31572, 34203, 40342, 45604, 60513, 63144, 68406, 80684, 91208, 102609, 121026, 136812, 161368, 181539, 205218, 242052, 262223, 273624, 363078, 410436, 484104, 524446, 726156, 786669, 820872, 1048892, 1452312, 1573338, 2097784, 2360007, 3146676, 4720014, 6293352, 9440028, 18880056]

約数ペア:

[(1, 18880056), (2, 9440028), (3, 6293352), (4, 4720014), (6, 3146676), (8, 2360007), (9, 2097784), (12, 1573338), (13, 1452312), (18, 1048892), (23, 820872), (24, 786669), (26, 726156), (36, 524446), (39, 484104), (46, 410436), (52, 363078), (69, 273624), (72, 262223), (78, 242052), (92, 205218), (104, 181539), (117, 161368), (138, 136812), (156, 121026), (184, 102609), (207, 91208), (234, 80684), (276, 68406), (299, 63144), (312, 60513), (414, 45604), (468, 40342), (552, 34203), (598, 31572), (828, 22802), (877, 21528), (897, 21048), (936, 20171), (1196, 15786), (1656, 11401), (1754, 10764), (1794, 10524), (2392, 7893), (2631, 7176), (2691, 7016), (3508, 5382), (3588, 5262)]