16728588

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 45783920

約数和(自身を除く): 29055332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 661, 666, 684, 703, 1322, 1332, 1406, 1983, 2109, 2644, 2812, 3966, 4218, 5949, 6327, 7932, 8436, 11898, 12559, 12654, 23796, 24457, 25118, 25308, 37677, 48914, 50236, 73371, 75354, 97828, 113031, 146742, 150708, 220113, 226062, 293484, 440226, 452124, 464683, 880452, 929366, 1394049, 1858732, 2788098, 4182147, 5576196, 8364294, 16728588]

約数ペア:

[(1, 16728588), (2, 8364294), (3, 5576196), (4, 4182147), (6, 2788098), (9, 1858732), (12, 1394049), (18, 929366), (19, 880452), (36, 464683), (37, 452124), (38, 440226), (57, 293484), (74, 226062), (76, 220113), (111, 150708), (114, 146742), (148, 113031), (171, 97828), (222, 75354), (228, 73371), (333, 50236), (342, 48914), (444, 37677), (661, 25308), (666, 25118), (684, 24457), (703, 23796), (1322, 12654), (1332, 12559), (1406, 11898), (1983, 8436), (2109, 7932), (2644, 6327), (2812, 5949), (3966, 4218)]