19478040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8543}}^1$

素因数の和:8576

約数の個数: 64

約数和(自身を含む): 61516800

約数和(自身を除く): 42038760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8543, 17086, 25629, 34172, 42715, 51258, 68344, 85430, 102516, 128145, 162317, 170860, 205032, 256290, 324634, 341720, 486951, 512580, 649268, 811585, 973902, 1025160, 1298536, 1623170, 1947804, 2434755, 3246340, 3895608, 4869510, 6492680, 9739020, 19478040]

約数ペア:

[(1, 19478040), (2, 9739020), (3, 6492680), (4, 4869510), (5, 3895608), (6, 3246340), (8, 2434755), (10, 1947804), (12, 1623170), (15, 1298536), (19, 1025160), (20, 973902), (24, 811585), (30, 649268), (38, 512580), (40, 486951), (57, 341720), (60, 324634), (76, 256290), (95, 205032), (114, 170860), (120, 162317), (152, 128145), (190, 102516), (228, 85430), (285, 68344), (380, 51258), (456, 42715), (570, 34172), (760, 25629), (1140, 17086), (2280, 8543)]