19699950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2153}}^1$

素因数の和:2229

約数の個数: 48

約数和(自身を含む): 49679856

約数和(自身を除く): 29979906

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 150, 183, 305, 366, 610, 915, 1525, 1830, 2153, 3050, 4306, 4575, 6459, 9150, 10765, 12918, 21530, 32295, 53825, 64590, 107650, 131333, 161475, 262666, 322950, 393999, 656665, 787998, 1313330, 1969995, 3283325, 3939990, 6566650, 9849975, 19699950]

約数ペア:

[(1, 19699950), (2, 9849975), (3, 6566650), (5, 3939990), (6, 3283325), (10, 1969995), (15, 1313330), (25, 787998), (30, 656665), (50, 393999), (61, 322950), (75, 262666), (122, 161475), (150, 131333), (183, 107650), (305, 64590), (366, 53825), (610, 32295), (915, 21530), (1525, 12918), (1830, 10765), (2153, 9150), (3050, 6459), (4306, 4575)]