18924780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 63546336

約数和(自身を除く): 44621556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 157, 164, 196, 205, 210, 245, 246, 287, 294, 314, 410, 420, 471, 490, 492, 574, 588, 615, 628, 735, 785, 820, 861, 942, 980, 1099, 1148, 1230, 1435, 1470, 1570, 1722, 1884, 2009, 2198, 2355, 2460, 2870, 2940, 3140, 3297, 3444, 4018, 4305, 4396, 4710, 5495, 5740, 6027, 6437, 6594, 7693, 8036, 8610, 9420, 10045, 10990, 12054, 12874, 13188, 15386, 16485, 17220, 19311, 20090, 21980, 23079, 24108, 25748, 30135, 30772, 32185, 32970, 38465, 38622, 40180, 45059, 46158, 60270, 64370, 65940, 76930, 77244, 90118, 92316, 96555, 115395, 120540, 128740, 135177, 153860, 180236, 193110, 225295, 230790, 270354, 315413, 386220, 450590, 461580, 540708, 630826, 675885, 901180, 946239, 1261652, 1351770, 1577065, 1892478, 2703540, 3154130, 3784956, 4731195, 6308260, 9462390, 18924780]

約数ペア:

[(1, 18924780), (2, 9462390), (3, 6308260), (4, 4731195), (5, 3784956), (6, 3154130), (7, 2703540), (10, 1892478), (12, 1577065), (14, 1351770), (15, 1261652), (20, 946239), (21, 901180), (28, 675885), (30, 630826), (35, 540708), (41, 461580), (42, 450590), (49, 386220), (60, 315413), (70, 270354), (82, 230790), (84, 225295), (98, 193110), (105, 180236), (123, 153860), (140, 135177), (147, 128740), (157, 120540), (164, 115395), (196, 96555), (205, 92316), (210, 90118), (245, 77244), (246, 76930), (287, 65940), (294, 64370), (314, 60270), (410, 46158), (420, 45059), (471, 40180), (490, 38622), (492, 38465), (574, 32970), (588, 32185), (615, 30772), (628, 30135), (735, 25748), (785, 24108), (820, 23079), (861, 21980), (942, 20090), (980, 19311), (1099, 17220), (1148, 16485), (1230, 15386), (1435, 13188), (1470, 12874), (1570, 12054), (1722, 10990), (1884, 10045), (2009, 9420), (2198, 8610), (2355, 8036), (2460, 7693), (2870, 6594), (2940, 6437), (3140, 6027), (3297, 5740), (3444, 5495), (4018, 4710), (4305, 4396)]