19156240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 29054960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 80, 92, 115, 116, 145, 184, 230, 232, 290, 359, 368, 460, 464, 580, 667, 718, 920, 1160, 1334, 1436, 1795, 1840, 2320, 2668, 2872, 3335, 3590, 5336, 5744, 6670, 7180, 8257, 10411, 10672, 13340, 14360, 16514, 20822, 26680, 28720, 33028, 41285, 41644, 52055, 53360, 66056, 82570, 83288, 104110, 132112, 165140, 166576, 208220, 239453, 330280, 416440, 478906, 660560, 832880, 957812, 1197265, 1915624, 2394530, 3831248, 4789060, 9578120, 19156240]

約数ペア:

[(1, 19156240), (2, 9578120), (4, 4789060), (5, 3831248), (8, 2394530), (10, 1915624), (16, 1197265), (20, 957812), (23, 832880), (29, 660560), (40, 478906), (46, 416440), (58, 330280), (80, 239453), (92, 208220), (115, 166576), (116, 165140), (145, 132112), (184, 104110), (230, 83288), (232, 82570), (290, 66056), (359, 53360), (368, 52055), (460, 41644), (464, 41285), (580, 33028), (667, 28720), (718, 26680), (920, 20822), (1160, 16514), (1334, 14360), (1436, 13340), (1795, 10672), (1840, 10411), (2320, 8257), (2668, 7180), (2872, 6670), (3335, 5744), (3590, 5336)]