19380720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3511}}^1$

素因数の和:3550

約数の個数: 80

約数和(自身を含む): 62710272

約数和(自身を除く): 43329552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3511, 5520, 7022, 10533, 14044, 17555, 21066, 28088, 35110, 42132, 52665, 56176, 70220, 80753, 84264, 105330, 140440, 161506, 168528, 210660, 242259, 280880, 323012, 403765, 421320, 484518, 646024, 807530, 842640, 969036, 1211295, 1292048, 1615060, 1938072, 2422590, 3230120, 3876144, 4845180, 6460240, 9690360, 19380720]

約数ペア:

[(1, 19380720), (2, 9690360), (3, 6460240), (4, 4845180), (5, 3876144), (6, 3230120), (8, 2422590), (10, 1938072), (12, 1615060), (15, 1292048), (16, 1211295), (20, 969036), (23, 842640), (24, 807530), (30, 646024), (40, 484518), (46, 421320), (48, 403765), (60, 323012), (69, 280880), (80, 242259), (92, 210660), (115, 168528), (120, 161506), (138, 140440), (184, 105330), (230, 84264), (240, 80753), (276, 70220), (345, 56176), (368, 52665), (460, 42132), (552, 35110), (690, 28088), (920, 21066), (1104, 17555), (1380, 14044), (1840, 10533), (2760, 7022), (3511, 5520)]