19841916

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 52093440

約数和(自身を除く): 32251524

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 37, 46, 58, 67, 69, 74, 87, 92, 111, 116, 134, 138, 148, 174, 201, 222, 268, 276, 348, 402, 444, 667, 804, 851, 1073, 1334, 1541, 1702, 1943, 2001, 2146, 2479, 2553, 2668, 3082, 3219, 3404, 3886, 4002, 4292, 4623, 4958, 5106, 5829, 6164, 6438, 7437, 7772, 8004, 9246, 9916, 10212, 11658, 12876, 14874, 18492, 23316, 24679, 29748, 44689, 49358, 57017, 71891, 74037, 89378, 98716, 114034, 134067, 143782, 148074, 171051, 178756, 215673, 228068, 268134, 287564, 296148, 342102, 431346, 536268, 684204, 862692, 1653493, 3306986, 4960479, 6613972, 9920958, 19841916]

約数ペア:

[(1, 19841916), (2, 9920958), (3, 6613972), (4, 4960479), (6, 3306986), (12, 1653493), (23, 862692), (29, 684204), (37, 536268), (46, 431346), (58, 342102), (67, 296148), (69, 287564), (74, 268134), (87, 228068), (92, 215673), (111, 178756), (116, 171051), (134, 148074), (138, 143782), (148, 134067), (174, 114034), (201, 98716), (222, 89378), (268, 74037), (276, 71891), (348, 57017), (402, 49358), (444, 44689), (667, 29748), (804, 24679), (851, 23316), (1073, 18492), (1334, 14874), (1541, 12876), (1702, 11658), (1943, 10212), (2001, 9916), (2146, 9246), (2479, 8004), (2553, 7772), (2668, 7437), (3082, 6438), (3219, 6164), (3404, 5829), (3886, 5106), (4002, 4958), (4292, 4623)]