19642770

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:589

約数の個数: 128

約数和(自身を含む): 63129600

約数和(自身を除く): 43486830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 513, 547, 570, 630, 665, 798, 855, 945, 1026, 1094, 1197, 1330, 1641, 1710, 1890, 1995, 2394, 2565, 2735, 3282, 3591, 3829, 3990, 4923, 5130, 5470, 5985, 7182, 7658, 8205, 9846, 10393, 11487, 11970, 14769, 16410, 17955, 19145, 20786, 22974, 24615, 29538, 31179, 34461, 35910, 38290, 49230, 51965, 57435, 62358, 68922, 72751, 73845, 93537, 103383, 103930, 114870, 145502, 147690, 155895, 172305, 187074, 206766, 218253, 280611, 311790, 344610, 363755, 436506, 467685, 516915, 561222, 654759, 727510, 935370, 1033830, 1091265, 1309518, 1403055, 1964277, 2182530, 2806110, 3273795, 3928554, 6547590, 9821385, 19642770]

約数ペア:

[(1, 19642770), (2, 9821385), (3, 6547590), (5, 3928554), (6, 3273795), (7, 2806110), (9, 2182530), (10, 1964277), (14, 1403055), (15, 1309518), (18, 1091265), (19, 1033830), (21, 935370), (27, 727510), (30, 654759), (35, 561222), (38, 516915), (42, 467685), (45, 436506), (54, 363755), (57, 344610), (63, 311790), (70, 280611), (90, 218253), (95, 206766), (105, 187074), (114, 172305), (126, 155895), (133, 147690), (135, 145502), (171, 114870), (189, 103930), (190, 103383), (210, 93537), (266, 73845), (270, 72751), (285, 68922), (315, 62358), (342, 57435), (378, 51965), (399, 49230), (513, 38290), (547, 35910), (570, 34461), (630, 31179), (665, 29538), (798, 24615), (855, 22974), (945, 20786), (1026, 19145), (1094, 17955), (1197, 16410), (1330, 14769), (1641, 11970), (1710, 11487), (1890, 10393), (1995, 9846), (2394, 8205), (2565, 7658), (2735, 7182), (3282, 5985), (3591, 5470), (3829, 5130), (3990, 4923)]