19649994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 53706240

約数和(自身を除く): 34056246

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 29, 34, 39, 42, 51, 58, 73, 78, 87, 91, 102, 119, 146, 174, 182, 203, 219, 221, 238, 273, 357, 377, 406, 438, 442, 493, 511, 546, 609, 663, 714, 754, 949, 986, 1022, 1131, 1218, 1241, 1326, 1479, 1533, 1547, 1898, 2117, 2262, 2482, 2639, 2847, 2958, 3066, 3094, 3451, 3723, 4234, 4641, 5278, 5694, 6351, 6409, 6643, 6902, 7446, 7917, 8687, 9282, 10353, 12702, 12818, 13286, 14819, 15834, 16133, 17374, 19227, 19929, 20706, 26061, 27521, 29638, 32266, 35989, 38454, 39858, 44457, 44863, 48399, 52122, 55042, 71978, 82563, 88914, 89726, 96798, 107967, 112931, 134589, 165126, 192647, 215934, 225862, 251923, 269178, 338793, 385294, 467857, 503846, 577941, 677586, 755769, 935714, 1155882, 1403571, 1511538, 2807142, 3274999, 6549998, 9824997, 19649994]

約数ペア:

[(1, 19649994), (2, 9824997), (3, 6549998), (6, 3274999), (7, 2807142), (13, 1511538), (14, 1403571), (17, 1155882), (21, 935714), (26, 755769), (29, 677586), (34, 577941), (39, 503846), (42, 467857), (51, 385294), (58, 338793), (73, 269178), (78, 251923), (87, 225862), (91, 215934), (102, 192647), (119, 165126), (146, 134589), (174, 112931), (182, 107967), (203, 96798), (219, 89726), (221, 88914), (238, 82563), (273, 71978), (357, 55042), (377, 52122), (406, 48399), (438, 44863), (442, 44457), (493, 39858), (511, 38454), (546, 35989), (609, 32266), (663, 29638), (714, 27521), (754, 26061), (949, 20706), (986, 19929), (1022, 19227), (1131, 17374), (1218, 16133), (1241, 15834), (1326, 14819), (1479, 13286), (1533, 12818), (1547, 12702), (1898, 10353), (2117, 9282), (2262, 8687), (2482, 7917), (2639, 7446), (2847, 6902), (2958, 6643), (3066, 6409), (3094, 6351), (3451, 5694), (3723, 5278), (4234, 4641)]