18961440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{39503}}^1$

素因数の和:39521

約数の個数: 48

約数和(自身を含む): 59730048

約数和(自身を除く): 40768608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 39503, 79006, 118509, 158012, 197515, 237018, 316024, 395030, 474036, 592545, 632048, 790060, 948072, 1185090, 1264096, 1580120, 1896144, 2370180, 3160240, 3792288, 4740360, 6320480, 9480720, 18961440]

約数ペア:

[(1, 18961440), (2, 9480720), (3, 6320480), (4, 4740360), (5, 3792288), (6, 3160240), (8, 2370180), (10, 1896144), (12, 1580120), (15, 1264096), (16, 1185090), (20, 948072), (24, 790060), (30, 632048), (32, 592545), (40, 474036), (48, 395030), (60, 316024), (80, 237018), (96, 197515), (120, 158012), (160, 118509), (240, 79006), (480, 39503)]