19255740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 65544192

約数和(自身を除く): 46288452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 127, 133, 140, 190, 210, 228, 254, 266, 285, 361, 380, 381, 399, 420, 508, 532, 570, 635, 665, 722, 762, 798, 889, 1083, 1140, 1270, 1330, 1444, 1524, 1596, 1778, 1805, 1905, 1995, 2166, 2413, 2527, 2540, 2660, 2667, 3556, 3610, 3810, 3990, 4332, 4445, 4826, 5054, 5334, 5415, 7220, 7239, 7581, 7620, 7980, 8890, 9652, 10108, 10668, 10830, 12065, 12635, 13335, 14478, 15162, 16891, 17780, 21660, 24130, 25270, 26670, 28956, 30324, 33782, 36195, 37905, 45847, 48260, 50540, 50673, 53340, 67564, 72390, 75810, 84455, 91694, 101346, 137541, 144780, 151620, 168910, 183388, 202692, 229235, 253365, 275082, 320929, 337820, 458470, 506730, 550164, 641858, 687705, 916940, 962787, 1013460, 1283716, 1375410, 1604645, 1925574, 2750820, 3209290, 3851148, 4813935, 6418580, 9627870, 19255740]

約数ペア:

[(1, 19255740), (2, 9627870), (3, 6418580), (4, 4813935), (5, 3851148), (6, 3209290), (7, 2750820), (10, 1925574), (12, 1604645), (14, 1375410), (15, 1283716), (19, 1013460), (20, 962787), (21, 916940), (28, 687705), (30, 641858), (35, 550164), (38, 506730), (42, 458470), (57, 337820), (60, 320929), (70, 275082), (76, 253365), (84, 229235), (95, 202692), (105, 183388), (114, 168910), (127, 151620), (133, 144780), (140, 137541), (190, 101346), (210, 91694), (228, 84455), (254, 75810), (266, 72390), (285, 67564), (361, 53340), (380, 50673), (381, 50540), (399, 48260), (420, 45847), (508, 37905), (532, 36195), (570, 33782), (635, 30324), (665, 28956), (722, 26670), (762, 25270), (798, 24130), (889, 21660), (1083, 17780), (1140, 16891), (1270, 15162), (1330, 14478), (1444, 13335), (1524, 12635), (1596, 12065), (1778, 10830), (1805, 10668), (1905, 10108), (1995, 9652), (2166, 8890), (2413, 7980), (2527, 7620), (2540, 7581), (2660, 7239), (2667, 7220), (3556, 5415), (3610, 5334), (3810, 5054), (3990, 4826), (4332, 4445)]