19201320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:816

約数の個数: 128

約数和(自身を含む): 66873600

約数和(自身を除く): 47672280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 773, 828, 920, 1035, 1080, 1242, 1380, 1546, 1656, 2070, 2319, 2484, 2760, 3092, 3105, 3865, 4140, 4638, 4968, 6184, 6210, 6957, 7730, 8280, 9276, 11595, 12420, 13914, 15460, 17779, 18552, 20871, 23190, 24840, 27828, 30920, 34785, 35558, 41742, 46380, 53337, 55656, 69570, 71116, 83484, 88895, 92760, 104355, 106674, 139140, 142232, 160011, 166968, 177790, 208710, 213348, 266685, 278280, 320022, 355580, 417420, 426696, 480033, 533370, 640044, 711160, 800055, 834840, 960066, 1066740, 1280088, 1600110, 1920132, 2133480, 2400165, 3200220, 3840264, 4800330, 6400440, 9600660, 19201320]

約数ペア:

[(1, 19201320), (2, 9600660), (3, 6400440), (4, 4800330), (5, 3840264), (6, 3200220), (8, 2400165), (9, 2133480), (10, 1920132), (12, 1600110), (15, 1280088), (18, 1066740), (20, 960066), (23, 834840), (24, 800055), (27, 711160), (30, 640044), (36, 533370), (40, 480033), (45, 426696), (46, 417420), (54, 355580), (60, 320022), (69, 278280), (72, 266685), (90, 213348), (92, 208710), (108, 177790), (115, 166968), (120, 160011), (135, 142232), (138, 139140), (180, 106674), (184, 104355), (207, 92760), (216, 88895), (230, 83484), (270, 71116), (276, 69570), (345, 55656), (360, 53337), (414, 46380), (460, 41742), (540, 35558), (552, 34785), (621, 30920), (690, 27828), (773, 24840), (828, 23190), (920, 20871), (1035, 18552), (1080, 17779), (1242, 15460), (1380, 13914), (1546, 12420), (1656, 11595), (2070, 9276), (2319, 8280), (2484, 7730), (2760, 6957), (3092, 6210), (3105, 6184), (3865, 4968), (4140, 4638)]