19115520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 160

約数和(自身を含む): 64817280

約数和(自身を除く): 45701760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 131, 152, 160, 190, 192, 228, 240, 256, 262, 285, 304, 320, 380, 384, 393, 456, 480, 512, 524, 570, 608, 640, 655, 760, 768, 786, 912, 960, 1048, 1140, 1216, 1280, 1310, 1520, 1536, 1572, 1824, 1920, 1965, 2096, 2280, 2432, 2489, 2560, 2620, 3040, 3144, 3648, 3840, 3930, 4192, 4560, 4864, 4978, 5240, 6080, 6288, 7296, 7467, 7680, 7860, 8384, 9120, 9728, 9956, 10480, 12160, 12445, 12576, 14592, 14934, 15720, 16768, 18240, 19912, 20960, 24320, 24890, 25152, 29184, 29868, 31440, 33536, 36480, 37335, 39824, 41920, 48640, 49780, 50304, 59736, 62880, 67072, 72960, 74670, 79648, 83840, 99560, 100608, 119472, 125760, 145920, 149340, 159296, 167680, 199120, 201216, 238944, 251520, 298680, 318592, 335360, 398240, 477888, 503040, 597360, 637184, 796480, 955776, 1006080, 1194720, 1274368, 1592960, 1911552, 2389440, 3185920, 3823104, 4778880, 6371840, 9557760, 19115520]

約数ペア:

[(1, 19115520), (2, 9557760), (3, 6371840), (4, 4778880), (5, 3823104), (6, 3185920), (8, 2389440), (10, 1911552), (12, 1592960), (15, 1274368), (16, 1194720), (19, 1006080), (20, 955776), (24, 796480), (30, 637184), (32, 597360), (38, 503040), (40, 477888), (48, 398240), (57, 335360), (60, 318592), (64, 298680), (76, 251520), (80, 238944), (95, 201216), (96, 199120), (114, 167680), (120, 159296), (128, 149340), (131, 145920), (152, 125760), (160, 119472), (190, 100608), (192, 99560), (228, 83840), (240, 79648), (256, 74670), (262, 72960), (285, 67072), (304, 62880), (320, 59736), (380, 50304), (384, 49780), (393, 48640), (456, 41920), (480, 39824), (512, 37335), (524, 36480), (570, 33536), (608, 31440), (640, 29868), (655, 29184), (760, 25152), (768, 24890), (786, 24320), (912, 20960), (960, 19912), (1048, 18240), (1140, 16768), (1216, 15720), (1280, 14934), (1310, 14592), (1520, 12576), (1536, 12445), (1572, 12160), (1824, 10480), (1920, 9956), (1965, 9728), (2096, 9120), (2280, 8384), (2432, 7860), (2489, 7680), (2560, 7467), (2620, 7296), (3040, 6288), (3144, 6080), (3648, 5240), (3840, 4978), (3930, 4864), (4192, 4560)]