18664992

素因数分解:

$2^5\times 3^4\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:420

約数の個数: 120

約数和(自身を含む): 57934800

約数和(自身を除く): 39269808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 216, 228, 288, 304, 324, 342, 379, 432, 456, 513, 608, 648, 684, 758, 864, 912, 1026, 1137, 1296, 1368, 1516, 1539, 1824, 2052, 2274, 2592, 2736, 3032, 3078, 3411, 4104, 4548, 5472, 6064, 6156, 6822, 7201, 8208, 9096, 10233, 12128, 12312, 13644, 14402, 16416, 18192, 20466, 21603, 24624, 27288, 28804, 30699, 36384, 40932, 43206, 49248, 54576, 57608, 61398, 64809, 81864, 86412, 109152, 115216, 122796, 129618, 163728, 172824, 194427, 230432, 245592, 259236, 327456, 345648, 388854, 491184, 518472, 583281, 691296, 777708, 982368, 1036944, 1166562, 1555416, 2073888, 2333124, 3110832, 4666248, 6221664, 9332496, 18664992]

約数ペア:

[(1, 18664992), (2, 9332496), (3, 6221664), (4, 4666248), (6, 3110832), (8, 2333124), (9, 2073888), (12, 1555416), (16, 1166562), (18, 1036944), (19, 982368), (24, 777708), (27, 691296), (32, 583281), (36, 518472), (38, 491184), (48, 388854), (54, 345648), (57, 327456), (72, 259236), (76, 245592), (81, 230432), (96, 194427), (108, 172824), (114, 163728), (144, 129618), (152, 122796), (162, 115216), (171, 109152), (216, 86412), (228, 81864), (288, 64809), (304, 61398), (324, 57608), (342, 54576), (379, 49248), (432, 43206), (456, 40932), (513, 36384), (608, 30699), (648, 28804), (684, 27288), (758, 24624), (864, 21603), (912, 20466), (1026, 18192), (1137, 16416), (1296, 14402), (1368, 13644), (1516, 12312), (1539, 12128), (1824, 10233), (2052, 9096), (2274, 8208), (2592, 7201), (2736, 6822), (3032, 6156), (3078, 6064), (3411, 5472), (4104, 4548)]