19864680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 66096000

約数和(自身を除く): 46231320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 101, 110, 120, 132, 149, 165, 202, 220, 264, 298, 303, 330, 404, 440, 447, 505, 596, 606, 660, 745, 808, 894, 1010, 1111, 1192, 1212, 1320, 1490, 1515, 1639, 1788, 2020, 2222, 2235, 2424, 2980, 3030, 3278, 3333, 3576, 4040, 4444, 4470, 4917, 5555, 5960, 6060, 6556, 6666, 8195, 8888, 8940, 9834, 11110, 12120, 13112, 13332, 15049, 16390, 16665, 17880, 19668, 22220, 24585, 26664, 30098, 32780, 33330, 39336, 44440, 45147, 49170, 60196, 65560, 66660, 75245, 90294, 98340, 120392, 133320, 150490, 165539, 180588, 196680, 225735, 300980, 331078, 361176, 451470, 496617, 601960, 662156, 827695, 902940, 993234, 1324312, 1655390, 1805880, 1986468, 2483085, 3310780, 3972936, 4966170, 6621560, 9932340, 19864680]

約数ペア:

[(1, 19864680), (2, 9932340), (3, 6621560), (4, 4966170), (5, 3972936), (6, 3310780), (8, 2483085), (10, 1986468), (11, 1805880), (12, 1655390), (15, 1324312), (20, 993234), (22, 902940), (24, 827695), (30, 662156), (33, 601960), (40, 496617), (44, 451470), (55, 361176), (60, 331078), (66, 300980), (88, 225735), (101, 196680), (110, 180588), (120, 165539), (132, 150490), (149, 133320), (165, 120392), (202, 98340), (220, 90294), (264, 75245), (298, 66660), (303, 65560), (330, 60196), (404, 49170), (440, 45147), (447, 44440), (505, 39336), (596, 33330), (606, 32780), (660, 30098), (745, 26664), (808, 24585), (894, 22220), (1010, 19668), (1111, 17880), (1192, 16665), (1212, 16390), (1320, 15049), (1490, 13332), (1515, 13112), (1639, 12120), (1788, 11110), (2020, 9834), (2222, 8940), (2235, 8888), (2424, 8195), (2980, 6666), (3030, 6556), (3278, 6060), (3333, 5960), (3576, 5555), (4040, 4917), (4444, 4470)]