18647928

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:286

約数の個数: 128

約数和(自身を含む): 57960000

約数和(自身を除く): 39312072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 29, 36, 39, 52, 54, 58, 72, 78, 87, 104, 108, 116, 117, 156, 174, 216, 229, 232, 234, 261, 312, 348, 351, 377, 458, 468, 522, 687, 696, 702, 754, 783, 916, 936, 1044, 1131, 1374, 1404, 1508, 1566, 1832, 2061, 2088, 2262, 2748, 2808, 2977, 3016, 3132, 3393, 4122, 4524, 5496, 5954, 6183, 6264, 6641, 6786, 8244, 8931, 9048, 10179, 11908, 12366, 13282, 13572, 16488, 17862, 19923, 20358, 23816, 24732, 26564, 26793, 27144, 35724, 39846, 40716, 49464, 53128, 53586, 59769, 71448, 79692, 80379, 81432, 86333, 107172, 119538, 159384, 160758, 172666, 179307, 214344, 239076, 258999, 321516, 345332, 358614, 478152, 517998, 643032, 690664, 717228, 776997, 1035996, 1434456, 1553994, 2071992, 2330991, 3107988, 4661982, 6215976, 9323964, 18647928]

約数ペア:

[(1, 18647928), (2, 9323964), (3, 6215976), (4, 4661982), (6, 3107988), (8, 2330991), (9, 2071992), (12, 1553994), (13, 1434456), (18, 1035996), (24, 776997), (26, 717228), (27, 690664), (29, 643032), (36, 517998), (39, 478152), (52, 358614), (54, 345332), (58, 321516), (72, 258999), (78, 239076), (87, 214344), (104, 179307), (108, 172666), (116, 160758), (117, 159384), (156, 119538), (174, 107172), (216, 86333), (229, 81432), (232, 80379), (234, 79692), (261, 71448), (312, 59769), (348, 53586), (351, 53128), (377, 49464), (458, 40716), (468, 39846), (522, 35724), (687, 27144), (696, 26793), (702, 26564), (754, 24732), (783, 23816), (916, 20358), (936, 19923), (1044, 17862), (1131, 16488), (1374, 13572), (1404, 13282), (1508, 12366), (1566, 11908), (1832, 10179), (2061, 9048), (2088, 8931), (2262, 8244), (2748, 6786), (2808, 6641), (2977, 6264), (3016, 6183), (3132, 5954), (3393, 5496), (4122, 4524)]