19840560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{229}}^1$

素因数の和:283

約数の個数: 120

約数和(自身を含む): 65196720

約数和(自身を除く): 45356160

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, 229, 240, 285, 304, 361, 380, 456, 458, 570, 687, 722, 760, 912, 916, 1083, 1140, 1145, 1374, 1444, 1520, 1805, 1832, 2166, 2280, 2290, 2748, 2888, 3435, 3610, 3664, 4332, 4351, 4560, 4580, 5415, 5496, 5776, 6870, 7220, 8664, 8702, 9160, 10830, 10992, 13053, 13740, 14440, 17328, 17404, 18320, 21660, 21755, 26106, 27480, 28880, 34808, 43320, 43510, 52212, 54960, 65265, 69616, 82669, 86640, 87020, 104424, 130530, 165338, 174040, 208848, 248007, 261060, 330676, 348080, 413345, 496014, 522120, 661352, 826690, 992028, 1044240, 1240035, 1322704, 1653380, 1984056, 2480070, 3306760, 3968112, 4960140, 6613520, 9920280, 19840560]

約数ペア:

[(1, 19840560), (2, 9920280), (3, 6613520), (4, 4960140), (5, 3968112), (6, 3306760), (8, 2480070), (10, 1984056), (12, 1653380), (15, 1322704), (16, 1240035), (19, 1044240), (20, 992028), (24, 826690), (30, 661352), (38, 522120), (40, 496014), (48, 413345), (57, 348080), (60, 330676), (76, 261060), (80, 248007), (95, 208848), (114, 174040), (120, 165338), (152, 130530), (190, 104424), (228, 87020), (229, 86640), (240, 82669), (285, 69616), (304, 65265), (361, 54960), (380, 52212), (456, 43510), (458, 43320), (570, 34808), (687, 28880), (722, 27480), (760, 26106), (912, 21755), (916, 21660), (1083, 18320), (1140, 17404), (1145, 17328), (1374, 14440), (1444, 13740), (1520, 13053), (1805, 10992), (1832, 10830), (2166, 9160), (2280, 8702), (2290, 8664), (2748, 7220), (2888, 6870), (3435, 5776), (3610, 5496), (3664, 5415), (4332, 4580), (4351, 4560)]