19209840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 160

約数和(自身を含む): 65995776

約数和(自身を除く): 46785936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 47, 48, 52, 60, 65, 78, 80, 94, 104, 120, 130, 131, 141, 156, 188, 195, 208, 235, 240, 260, 262, 282, 312, 376, 390, 393, 470, 520, 524, 564, 611, 624, 655, 705, 752, 780, 786, 940, 1040, 1048, 1128, 1222, 1310, 1410, 1560, 1572, 1703, 1833, 1880, 1965, 2096, 2256, 2444, 2620, 2820, 3055, 3120, 3144, 3406, 3666, 3760, 3930, 4888, 5109, 5240, 5640, 6110, 6157, 6288, 6812, 7332, 7860, 8515, 9165, 9776, 10218, 10480, 11280, 12220, 12314, 13624, 14664, 15720, 17030, 18330, 18471, 20436, 24440, 24628, 25545, 27248, 29328, 30785, 31440, 34060, 36660, 36942, 40872, 48880, 49256, 51090, 61570, 68120, 73320, 73884, 80041, 81744, 92355, 98512, 102180, 123140, 136240, 146640, 147768, 160082, 184710, 204360, 240123, 246280, 295536, 320164, 369420, 400205, 408720, 480246, 492560, 640328, 738840, 800410, 960492, 1200615, 1280656, 1477680, 1600820, 1920984, 2401230, 3201640, 3841968, 4802460, 6403280, 9604920, 19209840]

約数ペア:

[(1, 19209840), (2, 9604920), (3, 6403280), (4, 4802460), (5, 3841968), (6, 3201640), (8, 2401230), (10, 1920984), (12, 1600820), (13, 1477680), (15, 1280656), (16, 1200615), (20, 960492), (24, 800410), (26, 738840), (30, 640328), (39, 492560), (40, 480246), (47, 408720), (48, 400205), (52, 369420), (60, 320164), (65, 295536), (78, 246280), (80, 240123), (94, 204360), (104, 184710), (120, 160082), (130, 147768), (131, 146640), (141, 136240), (156, 123140), (188, 102180), (195, 98512), (208, 92355), (235, 81744), (240, 80041), (260, 73884), (262, 73320), (282, 68120), (312, 61570), (376, 51090), (390, 49256), (393, 48880), (470, 40872), (520, 36942), (524, 36660), (564, 34060), (611, 31440), (624, 30785), (655, 29328), (705, 27248), (752, 25545), (780, 24628), (786, 24440), (940, 20436), (1040, 18471), (1048, 18330), (1128, 17030), (1222, 15720), (1310, 14664), (1410, 13624), (1560, 12314), (1572, 12220), (1703, 11280), (1833, 10480), (1880, 10218), (1965, 9776), (2096, 9165), (2256, 8515), (2444, 7860), (2620, 7332), (2820, 6812), (3055, 6288), (3120, 6157), (3144, 6110), (3406, 5640), (3666, 5240), (3760, 5109), (3930, 4888)]