19451820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 58222080

約数和(自身を除く): 38770260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 113, 114, 151, 190, 226, 228, 285, 302, 339, 380, 452, 453, 565, 570, 604, 678, 755, 906, 1130, 1140, 1356, 1510, 1695, 1812, 2147, 2260, 2265, 2869, 3020, 3390, 4294, 4530, 5738, 6441, 6780, 8588, 8607, 9060, 10735, 11476, 12882, 14345, 17063, 17214, 21470, 25764, 28690, 32205, 34126, 34428, 42940, 43035, 51189, 57380, 64410, 68252, 85315, 86070, 102378, 128820, 170630, 172140, 204756, 255945, 324197, 341260, 511890, 648394, 972591, 1023780, 1296788, 1620985, 1945182, 3241970, 3890364, 4862955, 6483940, 9725910, 19451820]

約数ペア:

[(1, 19451820), (2, 9725910), (3, 6483940), (4, 4862955), (5, 3890364), (6, 3241970), (10, 1945182), (12, 1620985), (15, 1296788), (19, 1023780), (20, 972591), (30, 648394), (38, 511890), (57, 341260), (60, 324197), (76, 255945), (95, 204756), (113, 172140), (114, 170630), (151, 128820), (190, 102378), (226, 86070), (228, 85315), (285, 68252), (302, 64410), (339, 57380), (380, 51189), (452, 43035), (453, 42940), (565, 34428), (570, 34126), (604, 32205), (678, 28690), (755, 25764), (906, 21470), (1130, 17214), (1140, 17063), (1356, 14345), (1510, 12882), (1695, 11476), (1812, 10735), (2147, 9060), (2260, 8607), (2265, 8588), (2869, 6780), (3020, 6441), (3390, 5738), (4294, 4530)]