1921225020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223919}}^1$

素因数の和:223955

約数の個数: 96

約数和(自身を含む): 6319918080

約数和(自身を除く): 4398693060

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2860, 4290, 8580, 223919, 447838, 671757, 895676, 1119595, 1343514, 2239190, 2463109, 2687028, 2910947, 3358785, 4478380, 4926218, 5821894, 6717570, 7389327, 8732841, 9852436, 11643788, 12315545, 13435140, 14554735, 14778654, 17465682, 24631090, 29109470, 29557308, 32020417, 34931364, 36946635, 43664205, 49262180, 58218940, 64040834, 73893270, 87328410, 96061251, 128081668, 147786540, 160102085, 174656820, 192122502, 320204170, 384245004, 480306255, 640408340, 960612510, 1921225020]

約数ペア:

[(1, 1921225020), (2, 960612510), (3, 640408340), (4, 480306255), (5, 384245004), (6, 320204170), (10, 192122502), (11, 174656820), (12, 160102085), (13, 147786540), (15, 128081668), (20, 96061251), (22, 87328410), (26, 73893270), (30, 64040834), (33, 58218940), (39, 49262180), (44, 43664205), (52, 36946635), (55, 34931364), (60, 32020417), (65, 29557308), (66, 29109470), (78, 24631090), (110, 17465682), (130, 14778654), (132, 14554735), (143, 13435140), (156, 12315545), (165, 11643788), (195, 9852436), (220, 8732841), (260, 7389327), (286, 6717570), (330, 5821894), (390, 4926218), (429, 4478380), (572, 3358785), (660, 2910947), (715, 2687028), (780, 2463109), (858, 2239190), (1430, 1343514), (1716, 1119595), (2145, 895676), (2860, 671757), (4290, 447838), (8580, 223919)]