15618988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 38223360

約数和(自身を除く): 22604372

約数列:

[1, 2, 4, 7, 11, 14, 17, 19, 22, 28, 34, 38, 44, 68, 76, 77, 119, 133, 154, 157, 187, 209, 238, 266, 308, 314, 323, 374, 418, 476, 532, 628, 646, 748, 836, 1099, 1292, 1309, 1463, 1727, 2198, 2261, 2618, 2669, 2926, 2983, 3454, 3553, 4396, 4522, 5236, 5338, 5852, 5966, 6908, 7106, 9044, 10676, 11932, 12089, 14212, 18683, 20881, 24178, 24871, 29359, 32813, 37366, 41762, 48356, 49742, 50711, 58718, 65626, 74732, 83524, 99484, 101422, 117436, 131252, 202844, 205513, 229691, 354977, 411026, 459382, 557821, 709954, 822052, 918764, 1115642, 1419908, 2231284, 3904747, 7809494, 15618988]

約数ペア:

[(1, 15618988), (2, 7809494), (4, 3904747), (7, 2231284), (11, 1419908), (14, 1115642), (17, 918764), (19, 822052), (22, 709954), (28, 557821), (34, 459382), (38, 411026), (44, 354977), (68, 229691), (76, 205513), (77, 202844), (119, 131252), (133, 117436), (154, 101422), (157, 99484), (187, 83524), (209, 74732), (238, 65626), (266, 58718), (308, 50711), (314, 49742), (323, 48356), (374, 41762), (418, 37366), (476, 32813), (532, 29359), (628, 24871), (646, 24178), (748, 20881), (836, 18683), (1099, 14212), (1292, 12089), (1309, 11932), (1463, 10676), (1727, 9044), (2198, 7106), (2261, 6908), (2618, 5966), (2669, 5852), (2926, 5338), (2983, 5236), (3454, 4522), (3553, 4396)]