18191664

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 120

約数和(自身を含む): 54969200

約数和(自身を除く): 36777536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 61, 72, 76, 109, 114, 122, 144, 152, 171, 183, 218, 228, 244, 304, 327, 342, 366, 436, 456, 488, 549, 654, 684, 732, 872, 912, 976, 981, 1098, 1159, 1308, 1368, 1464, 1744, 1962, 2071, 2196, 2318, 2616, 2736, 2928, 3477, 3924, 4142, 4392, 4636, 5232, 6213, 6649, 6954, 7848, 8284, 8784, 9272, 10431, 12426, 13298, 13908, 15696, 16568, 18544, 18639, 19947, 20862, 24852, 26596, 27816, 33136, 37278, 39894, 41724, 49704, 53192, 55632, 59841, 74556, 79788, 83448, 99408, 106384, 119682, 126331, 149112, 159576, 166896, 239364, 252662, 298224, 319152, 378993, 478728, 505324, 757986, 957456, 1010648, 1136979, 1515972, 2021296, 2273958, 3031944, 4547916, 6063888, 9095832, 18191664]

約数ペア:

[(1, 18191664), (2, 9095832), (3, 6063888), (4, 4547916), (6, 3031944), (8, 2273958), (9, 2021296), (12, 1515972), (16, 1136979), (18, 1010648), (19, 957456), (24, 757986), (36, 505324), (38, 478728), (48, 378993), (57, 319152), (61, 298224), (72, 252662), (76, 239364), (109, 166896), (114, 159576), (122, 149112), (144, 126331), (152, 119682), (171, 106384), (183, 99408), (218, 83448), (228, 79788), (244, 74556), (304, 59841), (327, 55632), (342, 53192), (366, 49704), (436, 41724), (456, 39894), (488, 37278), (549, 33136), (654, 27816), (684, 26596), (732, 24852), (872, 20862), (912, 19947), (976, 18639), (981, 18544), (1098, 16568), (1159, 15696), (1308, 13908), (1368, 13298), (1464, 12426), (1744, 10431), (1962, 9272), (2071, 8784), (2196, 8284), (2318, 7848), (2616, 6954), (2736, 6649), (2928, 6213), (3477, 5232), (3924, 4636), (4142, 4392)]