19264860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 63423360

約数和(自身を除く): 44158500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 131, 171, 172, 180, 190, 215, 228, 258, 262, 285, 342, 380, 387, 393, 430, 516, 524, 570, 645, 655, 684, 774, 786, 817, 855, 860, 1140, 1179, 1290, 1310, 1548, 1572, 1634, 1710, 1935, 1965, 2358, 2451, 2489, 2580, 2620, 3268, 3420, 3870, 3930, 4085, 4716, 4902, 4978, 5633, 5895, 7353, 7467, 7740, 7860, 8170, 9804, 9956, 11266, 11790, 12255, 12445, 14706, 14934, 16340, 16899, 22401, 22532, 23580, 24510, 24890, 28165, 29412, 29868, 33798, 36765, 37335, 44802, 49020, 49780, 50697, 56330, 67596, 73530, 74670, 84495, 89604, 101394, 107027, 112005, 112660, 147060, 149340, 168990, 202788, 214054, 224010, 253485, 321081, 337980, 428108, 448020, 506970, 535135, 642162, 963243, 1013940, 1070270, 1284324, 1605405, 1926486, 2140540, 3210810, 3852972, 4816215, 6421620, 9632430, 19264860]

約数ペア:

[(1, 19264860), (2, 9632430), (3, 6421620), (4, 4816215), (5, 3852972), (6, 3210810), (9, 2140540), (10, 1926486), (12, 1605405), (15, 1284324), (18, 1070270), (19, 1013940), (20, 963243), (30, 642162), (36, 535135), (38, 506970), (43, 448020), (45, 428108), (57, 337980), (60, 321081), (76, 253485), (86, 224010), (90, 214054), (95, 202788), (114, 168990), (129, 149340), (131, 147060), (171, 112660), (172, 112005), (180, 107027), (190, 101394), (215, 89604), (228, 84495), (258, 74670), (262, 73530), (285, 67596), (342, 56330), (380, 50697), (387, 49780), (393, 49020), (430, 44802), (516, 37335), (524, 36765), (570, 33798), (645, 29868), (655, 29412), (684, 28165), (774, 24890), (786, 24510), (817, 23580), (855, 22532), (860, 22401), (1140, 16899), (1179, 16340), (1290, 14934), (1310, 14706), (1548, 12445), (1572, 12255), (1634, 11790), (1710, 11266), (1935, 9956), (1965, 9804), (2358, 8170), (2451, 7860), (2489, 7740), (2580, 7467), (2620, 7353), (3268, 5895), (3420, 5633), (3870, 4978), (3930, 4902), (4085, 4716)]