19743480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 66830400

約数和(自身を除く): 47086920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 101, 108, 120, 135, 180, 181, 202, 216, 270, 303, 360, 362, 404, 505, 540, 543, 606, 724, 808, 905, 909, 1010, 1080, 1086, 1212, 1448, 1515, 1629, 1810, 1818, 2020, 2172, 2424, 2715, 2727, 3030, 3258, 3620, 3636, 4040, 4344, 4545, 4887, 5430, 5454, 6060, 6516, 7240, 7272, 8145, 9090, 9774, 10860, 10908, 12120, 13032, 13635, 16290, 18180, 18281, 19548, 21720, 21816, 24435, 27270, 32580, 36360, 36562, 39096, 48870, 54540, 54843, 65160, 73124, 91405, 97740, 109080, 109686, 146248, 164529, 182810, 195480, 219372, 274215, 329058, 365620, 438744, 493587, 548430, 658116, 731240, 822645, 987174, 1096860, 1316232, 1645290, 1974348, 2193720, 2467935, 3290580, 3948696, 4935870, 6581160, 9871740, 19743480]

約数ペア:

[(1, 19743480), (2, 9871740), (3, 6581160), (4, 4935870), (5, 3948696), (6, 3290580), (8, 2467935), (9, 2193720), (10, 1974348), (12, 1645290), (15, 1316232), (18, 1096860), (20, 987174), (24, 822645), (27, 731240), (30, 658116), (36, 548430), (40, 493587), (45, 438744), (54, 365620), (60, 329058), (72, 274215), (90, 219372), (101, 195480), (108, 182810), (120, 164529), (135, 146248), (180, 109686), (181, 109080), (202, 97740), (216, 91405), (270, 73124), (303, 65160), (360, 54843), (362, 54540), (404, 48870), (505, 39096), (540, 36562), (543, 36360), (606, 32580), (724, 27270), (808, 24435), (905, 21816), (909, 21720), (1010, 19548), (1080, 18281), (1086, 18180), (1212, 16290), (1448, 13635), (1515, 13032), (1629, 12120), (1810, 10908), (1818, 10860), (2020, 9774), (2172, 9090), (2424, 8145), (2715, 7272), (2727, 7240), (3030, 6516), (3258, 6060), (3620, 5454), (3636, 5430), (4040, 4887), (4344, 4545)]