18929976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 55883520

約数和(自身を除く): 36953544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 43, 51, 52, 68, 78, 83, 86, 102, 104, 129, 136, 156, 166, 172, 204, 221, 249, 258, 312, 332, 344, 408, 442, 498, 516, 559, 663, 664, 731, 884, 996, 1032, 1079, 1118, 1326, 1411, 1462, 1677, 1768, 1992, 2158, 2193, 2236, 2652, 2822, 2924, 3237, 3354, 3569, 4233, 4316, 4386, 4472, 5304, 5644, 5848, 6474, 6708, 7138, 8466, 8632, 8772, 9503, 10707, 11288, 12948, 13416, 14276, 16932, 17544, 18343, 19006, 21414, 25896, 28509, 28552, 33864, 36686, 38012, 42828, 46397, 55029, 57018, 60673, 73372, 76024, 85656, 92794, 110058, 114036, 121346, 139191, 146744, 182019, 185588, 220116, 228072, 242692, 278382, 364038, 371176, 440232, 485384, 556764, 728076, 788749, 1113528, 1456152, 1577498, 2366247, 3154996, 4732494, 6309992, 9464988, 18929976]

約数ペア:

[(1, 18929976), (2, 9464988), (3, 6309992), (4, 4732494), (6, 3154996), (8, 2366247), (12, 1577498), (13, 1456152), (17, 1113528), (24, 788749), (26, 728076), (34, 556764), (39, 485384), (43, 440232), (51, 371176), (52, 364038), (68, 278382), (78, 242692), (83, 228072), (86, 220116), (102, 185588), (104, 182019), (129, 146744), (136, 139191), (156, 121346), (166, 114036), (172, 110058), (204, 92794), (221, 85656), (249, 76024), (258, 73372), (312, 60673), (332, 57018), (344, 55029), (408, 46397), (442, 42828), (498, 38012), (516, 36686), (559, 33864), (663, 28552), (664, 28509), (731, 25896), (884, 21414), (996, 19006), (1032, 18343), (1079, 17544), (1118, 16932), (1326, 14276), (1411, 13416), (1462, 12948), (1677, 11288), (1768, 10707), (1992, 9503), (2158, 8772), (2193, 8632), (2236, 8466), (2652, 7138), (2822, 6708), (2924, 6474), (3237, 5848), (3354, 5644), (3569, 5304), (4233, 4472), (4316, 4386)]