18214480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 45800640

約数和(自身を除く): 27586160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 80, 85, 118, 136, 170, 227, 236, 272, 295, 340, 454, 472, 590, 680, 908, 944, 1003, 1135, 1180, 1360, 1816, 2006, 2270, 2360, 3632, 3859, 4012, 4540, 4720, 5015, 7718, 8024, 9080, 10030, 13393, 15436, 16048, 18160, 19295, 20060, 26786, 30872, 38590, 40120, 53572, 61744, 66965, 77180, 80240, 107144, 133930, 154360, 214288, 227681, 267860, 308720, 455362, 535720, 910724, 1071440, 1138405, 1821448, 2276810, 3642896, 4553620, 9107240, 18214480]

約数ペア:

[(1, 18214480), (2, 9107240), (4, 4553620), (5, 3642896), (8, 2276810), (10, 1821448), (16, 1138405), (17, 1071440), (20, 910724), (34, 535720), (40, 455362), (59, 308720), (68, 267860), (80, 227681), (85, 214288), (118, 154360), (136, 133930), (170, 107144), (227, 80240), (236, 77180), (272, 66965), (295, 61744), (340, 53572), (454, 40120), (472, 38590), (590, 30872), (680, 26786), (908, 20060), (944, 19295), (1003, 18160), (1135, 16048), (1180, 15436), (1360, 13393), (1816, 10030), (2006, 9080), (2270, 8024), (2360, 7718), (3632, 5015), (3859, 4720), (4012, 4540)]