19416240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 160

約数和(自身を含む): 68299200

約数和(自身を除く): 48882960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 89, 90, 101, 108, 120, 135, 144, 178, 180, 202, 216, 240, 267, 270, 303, 356, 360, 404, 432, 445, 505, 534, 540, 606, 712, 720, 801, 808, 890, 909, 1010, 1068, 1080, 1212, 1335, 1424, 1515, 1602, 1616, 1780, 1818, 2020, 2136, 2160, 2403, 2424, 2670, 2727, 3030, 3204, 3560, 3636, 4005, 4040, 4272, 4545, 4806, 4848, 5340, 5454, 6060, 6408, 7120, 7272, 8010, 8080, 8989, 9090, 9612, 10680, 10908, 12015, 12120, 12816, 13635, 14544, 16020, 17978, 18180, 19224, 21360, 21816, 24030, 24240, 26967, 27270, 32040, 35956, 36360, 38448, 43632, 44945, 48060, 53934, 54540, 64080, 71912, 72720, 80901, 89890, 96120, 107868, 109080, 134835, 143824, 161802, 179780, 192240, 215736, 218160, 242703, 269670, 323604, 359560, 404505, 431472, 485406, 539340, 647208, 719120, 809010, 970812, 1078680, 1213515, 1294416, 1618020, 1941624, 2157360, 2427030, 3236040, 3883248, 4854060, 6472080, 9708120, 19416240]

約数ペア:

[(1, 19416240), (2, 9708120), (3, 6472080), (4, 4854060), (5, 3883248), (6, 3236040), (8, 2427030), (9, 2157360), (10, 1941624), (12, 1618020), (15, 1294416), (16, 1213515), (18, 1078680), (20, 970812), (24, 809010), (27, 719120), (30, 647208), (36, 539340), (40, 485406), (45, 431472), (48, 404505), (54, 359560), (60, 323604), (72, 269670), (80, 242703), (89, 218160), (90, 215736), (101, 192240), (108, 179780), (120, 161802), (135, 143824), (144, 134835), (178, 109080), (180, 107868), (202, 96120), (216, 89890), (240, 80901), (267, 72720), (270, 71912), (303, 64080), (356, 54540), (360, 53934), (404, 48060), (432, 44945), (445, 43632), (505, 38448), (534, 36360), (540, 35956), (606, 32040), (712, 27270), (720, 26967), (801, 24240), (808, 24030), (890, 21816), (909, 21360), (1010, 19224), (1068, 18180), (1080, 17978), (1212, 16020), (1335, 14544), (1424, 13635), (1515, 12816), (1602, 12120), (1616, 12015), (1780, 10908), (1818, 10680), (2020, 9612), (2136, 9090), (2160, 8989), (2403, 8080), (2424, 8010), (2670, 7272), (2727, 7120), (3030, 6408), (3204, 6060), (3560, 5454), (3636, 5340), (4005, 4848), (4040, 4806), (4272, 4545)]