18578340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{853}}^1$

素因数の和:890

約数の個数: 108

約数和(自身を含む): 62015772

約数和(自身を除く): 43437432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 853, 990, 1089, 1210, 1452, 1706, 1815, 1980, 2178, 2420, 2559, 3412, 3630, 4265, 4356, 5118, 5445, 7260, 7677, 8530, 9383, 10236, 10890, 12795, 15354, 17060, 18766, 21780, 25590, 28149, 30708, 37532, 38385, 46915, 51180, 56298, 76770, 84447, 93830, 103213, 112596, 140745, 153540, 168894, 187660, 206426, 281490, 309639, 337788, 412852, 422235, 516065, 562980, 619278, 844470, 928917, 1032130, 1238556, 1548195, 1688940, 1857834, 2064260, 3096390, 3715668, 4644585, 6192780, 9289170, 18578340]

約数ペア:

[(1, 18578340), (2, 9289170), (3, 6192780), (4, 4644585), (5, 3715668), (6, 3096390), (9, 2064260), (10, 1857834), (11, 1688940), (12, 1548195), (15, 1238556), (18, 1032130), (20, 928917), (22, 844470), (30, 619278), (33, 562980), (36, 516065), (44, 422235), (45, 412852), (55, 337788), (60, 309639), (66, 281490), (90, 206426), (99, 187660), (110, 168894), (121, 153540), (132, 140745), (165, 112596), (180, 103213), (198, 93830), (220, 84447), (242, 76770), (330, 56298), (363, 51180), (396, 46915), (484, 38385), (495, 37532), (605, 30708), (660, 28149), (726, 25590), (853, 21780), (990, 18766), (1089, 17060), (1210, 15354), (1452, 12795), (1706, 10890), (1815, 10236), (1980, 9383), (2178, 8530), (2420, 7677), (2559, 7260), (3412, 5445), (3630, 5118), (4265, 4356)]