18334890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 57024000

約数和(自身を除く): 38689110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 89, 90, 105, 109, 126, 135, 178, 189, 210, 218, 267, 270, 315, 327, 378, 445, 534, 545, 623, 630, 654, 763, 801, 890, 945, 981, 1090, 1246, 1335, 1526, 1602, 1635, 1869, 1890, 1962, 2289, 2403, 2670, 2943, 3115, 3270, 3738, 3815, 4005, 4578, 4806, 4905, 5607, 5886, 6230, 6867, 7630, 8010, 9345, 9701, 9810, 11214, 11445, 12015, 13734, 14715, 16821, 18690, 19402, 20601, 22890, 24030, 28035, 29103, 29430, 33642, 34335, 41202, 48505, 56070, 58206, 67907, 68670, 84105, 87309, 97010, 103005, 135814, 145515, 168210, 174618, 203721, 206010, 261927, 291030, 339535, 407442, 436545, 523854, 611163, 679070, 873090, 1018605, 1222326, 1309635, 1833489, 2037210, 2619270, 3055815, 3666978, 6111630, 9167445, 18334890]

約数ペア:

[(1, 18334890), (2, 9167445), (3, 6111630), (5, 3666978), (6, 3055815), (7, 2619270), (9, 2037210), (10, 1833489), (14, 1309635), (15, 1222326), (18, 1018605), (21, 873090), (27, 679070), (30, 611163), (35, 523854), (42, 436545), (45, 407442), (54, 339535), (63, 291030), (70, 261927), (89, 206010), (90, 203721), (105, 174618), (109, 168210), (126, 145515), (135, 135814), (178, 103005), (189, 97010), (210, 87309), (218, 84105), (267, 68670), (270, 67907), (315, 58206), (327, 56070), (378, 48505), (445, 41202), (534, 34335), (545, 33642), (623, 29430), (630, 29103), (654, 28035), (763, 24030), (801, 22890), (890, 20601), (945, 19402), (981, 18690), (1090, 16821), (1246, 14715), (1335, 13734), (1526, 12015), (1602, 11445), (1635, 11214), (1869, 9810), (1890, 9701), (1962, 9345), (2289, 8010), (2403, 7630), (2670, 6867), (2943, 6230), (3115, 5886), (3270, 5607), (3738, 4905), (3815, 4806), (4005, 4578)]