18499920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4057}}^1$

素因数の和:4092

約数の個数: 80

約数和(自身を含む): 60383040

約数和(自身を除く): 41883120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4057, 4560, 8114, 12171, 16228, 20285, 24342, 32456, 40570, 48684, 60855, 64912, 77083, 81140, 97368, 121710, 154166, 162280, 194736, 231249, 243420, 308332, 324560, 385415, 462498, 486840, 616664, 770830, 924996, 973680, 1156245, 1233328, 1541660, 1849992, 2312490, 3083320, 3699984, 4624980, 6166640, 9249960, 18499920]

約数ペア:

[(1, 18499920), (2, 9249960), (3, 6166640), (4, 4624980), (5, 3699984), (6, 3083320), (8, 2312490), (10, 1849992), (12, 1541660), (15, 1233328), (16, 1156245), (19, 973680), (20, 924996), (24, 770830), (30, 616664), (38, 486840), (40, 462498), (48, 385415), (57, 324560), (60, 308332), (76, 243420), (80, 231249), (95, 194736), (114, 162280), (120, 154166), (152, 121710), (190, 97368), (228, 81140), (240, 77083), (285, 64912), (304, 60855), (380, 48684), (456, 40570), (570, 32456), (760, 24342), (912, 20285), (1140, 16228), (1520, 12171), (2280, 8114), (4057, 4560)]