19841580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{911}}^1$

素因数の和:948

約数の個数: 108

約数和(自身を含む): 66227616

約数和(自身を除く): 46386036

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, 911, 990, 1089, 1210, 1452, 1815, 1822, 1980, 2178, 2420, 2733, 3630, 3644, 4356, 4555, 5445, 5466, 7260, 8199, 9110, 10021, 10890, 10932, 13665, 16398, 18220, 20042, 21780, 27330, 30063, 32796, 40084, 40995, 50105, 54660, 60126, 81990, 90189, 100210, 110231, 120252, 150315, 163980, 180378, 200420, 220462, 300630, 330693, 360756, 440924, 450945, 551155, 601260, 661386, 901890, 992079, 1102310, 1322772, 1653465, 1803780, 1984158, 2204620, 3306930, 3968316, 4960395, 6613860, 9920790, 19841580]

約数ペア:

[(1, 19841580), (2, 9920790), (3, 6613860), (4, 4960395), (5, 3968316), (6, 3306930), (9, 2204620), (10, 1984158), (11, 1803780), (12, 1653465), (15, 1322772), (18, 1102310), (20, 992079), (22, 901890), (30, 661386), (33, 601260), (36, 551155), (44, 450945), (45, 440924), (55, 360756), (60, 330693), (66, 300630), (90, 220462), (99, 200420), (110, 180378), (121, 163980), (132, 150315), (165, 120252), (180, 110231), (198, 100210), (220, 90189), (242, 81990), (330, 60126), (363, 54660), (396, 50105), (484, 40995), (495, 40084), (605, 32796), (660, 30063), (726, 27330), (911, 21780), (990, 20042), (1089, 18220), (1210, 16398), (1452, 13665), (1815, 10932), (1822, 10890), (1980, 10021), (2178, 9110), (2420, 8199), (2733, 7260), (3630, 5466), (3644, 5445), (4356, 4555)]