18763260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 56179200

約数和(自身を除く): 37415940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 109, 114, 151, 190, 218, 228, 285, 302, 327, 380, 436, 453, 545, 570, 604, 654, 755, 906, 1090, 1140, 1308, 1510, 1635, 1812, 2071, 2180, 2265, 2869, 3020, 3270, 4142, 4530, 5738, 6213, 6540, 8284, 8607, 9060, 10355, 11476, 12426, 14345, 16459, 17214, 20710, 24852, 28690, 31065, 32918, 34428, 41420, 43035, 49377, 57380, 62130, 65836, 82295, 86070, 98754, 124260, 164590, 172140, 197508, 246885, 312721, 329180, 493770, 625442, 938163, 987540, 1250884, 1563605, 1876326, 3127210, 3752652, 4690815, 6254420, 9381630, 18763260]

約数ペア:

[(1, 18763260), (2, 9381630), (3, 6254420), (4, 4690815), (5, 3752652), (6, 3127210), (10, 1876326), (12, 1563605), (15, 1250884), (19, 987540), (20, 938163), (30, 625442), (38, 493770), (57, 329180), (60, 312721), (76, 246885), (95, 197508), (109, 172140), (114, 164590), (151, 124260), (190, 98754), (218, 86070), (228, 82295), (285, 65836), (302, 62130), (327, 57380), (380, 49377), (436, 43035), (453, 41420), (545, 34428), (570, 32918), (604, 31065), (654, 28690), (755, 24852), (906, 20710), (1090, 17214), (1140, 16459), (1308, 14345), (1510, 12426), (1635, 11476), (1812, 10355), (2071, 9060), (2180, 8607), (2265, 8284), (2869, 6540), (3020, 6213), (3270, 5738), (4142, 4530)]