19625970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 60082560

約数和(自身を除く): 40456590

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 79, 91, 98, 105, 130, 147, 158, 169, 182, 195, 210, 237, 245, 273, 294, 338, 390, 395, 455, 474, 490, 507, 546, 553, 637, 735, 790, 845, 910, 1014, 1027, 1106, 1183, 1185, 1274, 1365, 1470, 1659, 1690, 1911, 2054, 2366, 2370, 2535, 2730, 2765, 3081, 3185, 3318, 3549, 3822, 3871, 5070, 5135, 5530, 5915, 6162, 6370, 7098, 7189, 7742, 8281, 8295, 9555, 10270, 11613, 11830, 13351, 14378, 15405, 16562, 16590, 17745, 19110, 19355, 21567, 23226, 24843, 26702, 30810, 35490, 35945, 38710, 40053, 41405, 43134, 49686, 50323, 58065, 66755, 71890, 80106, 82810, 93457, 100646, 107835, 116130, 124215, 133510, 150969, 186914, 200265, 215670, 248430, 251615, 280371, 301938, 400530, 467285, 503230, 560742, 654199, 754845, 934570, 1308398, 1401855, 1509690, 1962597, 2803710, 3270995, 3925194, 6541990, 9812985, 19625970]

約数ペア:

[(1, 19625970), (2, 9812985), (3, 6541990), (5, 3925194), (6, 3270995), (7, 2803710), (10, 1962597), (13, 1509690), (14, 1401855), (15, 1308398), (21, 934570), (26, 754845), (30, 654199), (35, 560742), (39, 503230), (42, 467285), (49, 400530), (65, 301938), (70, 280371), (78, 251615), (79, 248430), (91, 215670), (98, 200265), (105, 186914), (130, 150969), (147, 133510), (158, 124215), (169, 116130), (182, 107835), (195, 100646), (210, 93457), (237, 82810), (245, 80106), (273, 71890), (294, 66755), (338, 58065), (390, 50323), (395, 49686), (455, 43134), (474, 41405), (490, 40053), (507, 38710), (546, 35945), (553, 35490), (637, 30810), (735, 26702), (790, 24843), (845, 23226), (910, 21567), (1014, 19355), (1027, 19110), (1106, 17745), (1183, 16590), (1185, 16562), (1274, 15405), (1365, 14378), (1470, 13351), (1659, 11830), (1690, 11613), (1911, 10270), (2054, 9555), (2366, 8295), (2370, 8281), (2535, 7742), (2730, 7189), (2765, 7098), (3081, 6370), (3185, 6162), (3318, 5915), (3549, 5530), (3822, 5135), (3871, 5070)]