18879768

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 55426800

約数和(自身を除く): 36547032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 37, 38, 57, 72, 74, 76, 111, 114, 148, 152, 171, 222, 228, 296, 333, 342, 373, 444, 456, 666, 684, 703, 746, 888, 1119, 1332, 1368, 1406, 1492, 2109, 2238, 2664, 2812, 2984, 3357, 4218, 4476, 5624, 6327, 6714, 7087, 8436, 8952, 12654, 13428, 13801, 14174, 16872, 21261, 25308, 26856, 27602, 28348, 41403, 42522, 50616, 55204, 56696, 63783, 82806, 85044, 110408, 124209, 127566, 165612, 170088, 248418, 255132, 262219, 331224, 496836, 510264, 524438, 786657, 993672, 1048876, 1573314, 2097752, 2359971, 3146628, 4719942, 6293256, 9439884, 18879768]

約数ペア:

[(1, 18879768), (2, 9439884), (3, 6293256), (4, 4719942), (6, 3146628), (8, 2359971), (9, 2097752), (12, 1573314), (18, 1048876), (19, 993672), (24, 786657), (36, 524438), (37, 510264), (38, 496836), (57, 331224), (72, 262219), (74, 255132), (76, 248418), (111, 170088), (114, 165612), (148, 127566), (152, 124209), (171, 110408), (222, 85044), (228, 82806), (296, 63783), (333, 56696), (342, 55204), (373, 50616), (444, 42522), (456, 41403), (666, 28348), (684, 27602), (703, 26856), (746, 25308), (888, 21261), (1119, 16872), (1332, 14174), (1368, 13801), (1406, 13428), (1492, 12654), (2109, 8952), (2238, 8436), (2664, 7087), (2812, 6714), (2984, 6327), (3357, 5624), (4218, 4476)]