19165926

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 44049600

約数和(自身を除く): 24883674

約数列:

[1, 2, 3, 6, 13, 26, 29, 37, 39, 58, 74, 78, 87, 111, 174, 222, 229, 377, 458, 481, 687, 754, 962, 1073, 1131, 1374, 1443, 2146, 2262, 2886, 2977, 3219, 5954, 6438, 6641, 8473, 8931, 13282, 13949, 16946, 17862, 19923, 25419, 27898, 39846, 41847, 50838, 83694, 86333, 110149, 172666, 220298, 245717, 258999, 330447, 491434, 517998, 660894, 737151, 1474302, 3194321, 6388642, 9582963, 19165926]

約数ペア:

[(1, 19165926), (2, 9582963), (3, 6388642), (6, 3194321), (13, 1474302), (26, 737151), (29, 660894), (37, 517998), (39, 491434), (58, 330447), (74, 258999), (78, 245717), (87, 220298), (111, 172666), (174, 110149), (222, 86333), (229, 83694), (377, 50838), (458, 41847), (481, 39846), (687, 27898), (754, 25419), (962, 19923), (1073, 17862), (1131, 16946), (1374, 13949), (1443, 13282), (2146, 8931), (2262, 8473), (2886, 6641), (2977, 6438), (3219, 5954)]