18120528

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 55130400

約数和(自身を除く): 37009872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 37, 38, 48, 57, 72, 74, 76, 111, 114, 144, 148, 152, 171, 179, 222, 228, 296, 304, 333, 342, 358, 444, 456, 537, 592, 666, 684, 703, 716, 888, 912, 1074, 1332, 1368, 1406, 1432, 1611, 1776, 2109, 2148, 2664, 2736, 2812, 2864, 3222, 3401, 4218, 4296, 5328, 5624, 6327, 6444, 6623, 6802, 8436, 8592, 10203, 11248, 12654, 12888, 13246, 13604, 16872, 19869, 20406, 25308, 25776, 26492, 27208, 30609, 33744, 39738, 40812, 50616, 52984, 54416, 59607, 61218, 79476, 81624, 101232, 105968, 119214, 122436, 125837, 158952, 163248, 238428, 244872, 251674, 317904, 377511, 476856, 489744, 503348, 755022, 953712, 1006696, 1132533, 1510044, 2013392, 2265066, 3020088, 4530132, 6040176, 9060264, 18120528]

約数ペア:

[(1, 18120528), (2, 9060264), (3, 6040176), (4, 4530132), (6, 3020088), (8, 2265066), (9, 2013392), (12, 1510044), (16, 1132533), (18, 1006696), (19, 953712), (24, 755022), (36, 503348), (37, 489744), (38, 476856), (48, 377511), (57, 317904), (72, 251674), (74, 244872), (76, 238428), (111, 163248), (114, 158952), (144, 125837), (148, 122436), (152, 119214), (171, 105968), (179, 101232), (222, 81624), (228, 79476), (296, 61218), (304, 59607), (333, 54416), (342, 52984), (358, 50616), (444, 40812), (456, 39738), (537, 33744), (592, 30609), (666, 27208), (684, 26492), (703, 25776), (716, 25308), (888, 20406), (912, 19869), (1074, 16872), (1332, 13604), (1368, 13246), (1406, 12888), (1432, 12654), (1611, 11248), (1776, 10203), (2109, 8592), (2148, 8436), (2664, 6802), (2736, 6623), (2812, 6444), (2864, 6327), (3222, 5624), (3401, 5328), (4218, 4296)]