18100020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5113}}^1$

素因数の和:5184

約数の個数: 48

約数和(自身を含む): 51549120

約数和(自身を除く): 33449100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5113, 10226, 15339, 20452, 25565, 30678, 51130, 61356, 76695, 102260, 153390, 301667, 306780, 603334, 905001, 1206668, 1508335, 1810002, 3016670, 3620004, 4525005, 6033340, 9050010, 18100020]

約数ペア:

[(1, 18100020), (2, 9050010), (3, 6033340), (4, 4525005), (5, 3620004), (6, 3016670), (10, 1810002), (12, 1508335), (15, 1206668), (20, 905001), (30, 603334), (59, 306780), (60, 301667), (118, 153390), (177, 102260), (236, 76695), (295, 61356), (354, 51130), (590, 30678), (708, 25565), (885, 20452), (1180, 15339), (1770, 10226), (3540, 5113)]