17991036

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 55910400

約数和(自身を除く): 37919364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 47, 49, 62, 63, 84, 93, 94, 98, 124, 126, 141, 147, 186, 188, 196, 217, 252, 279, 282, 294, 329, 343, 372, 423, 434, 441, 558, 564, 588, 651, 658, 686, 846, 868, 882, 987, 1029, 1116, 1302, 1316, 1372, 1457, 1519, 1692, 1764, 1953, 1974, 2058, 2303, 2604, 2914, 2961, 3038, 3087, 3906, 3948, 4116, 4371, 4557, 4606, 5828, 5922, 6076, 6174, 6909, 7812, 8742, 9114, 9212, 10199, 10633, 11844, 12348, 13113, 13671, 13818, 16121, 17484, 18228, 20398, 20727, 21266, 26226, 27342, 27636, 30597, 31899, 32242, 40796, 41454, 42532, 48363, 52452, 54684, 61194, 63798, 64484, 71393, 82908, 91791, 95697, 96726, 122388, 127596, 142786, 145089, 183582, 191394, 193452, 214179, 285572, 290178, 367164, 382788, 428358, 499751, 580356, 642537, 856716, 999502, 1285074, 1499253, 1999004, 2570148, 2998506, 4497759, 5997012, 8995518, 17991036]

約数ペア:

[(1, 17991036), (2, 8995518), (3, 5997012), (4, 4497759), (6, 2998506), (7, 2570148), (9, 1999004), (12, 1499253), (14, 1285074), (18, 999502), (21, 856716), (28, 642537), (31, 580356), (36, 499751), (42, 428358), (47, 382788), (49, 367164), (62, 290178), (63, 285572), (84, 214179), (93, 193452), (94, 191394), (98, 183582), (124, 145089), (126, 142786), (141, 127596), (147, 122388), (186, 96726), (188, 95697), (196, 91791), (217, 82908), (252, 71393), (279, 64484), (282, 63798), (294, 61194), (329, 54684), (343, 52452), (372, 48363), (423, 42532), (434, 41454), (441, 40796), (558, 32242), (564, 31899), (588, 30597), (651, 27636), (658, 27342), (686, 26226), (846, 21266), (868, 20727), (882, 20398), (987, 18228), (1029, 17484), (1116, 16121), (1302, 13818), (1316, 13671), (1372, 13113), (1457, 12348), (1519, 11844), (1692, 10633), (1764, 10199), (1953, 9212), (1974, 9114), (2058, 8742), (2303, 7812), (2604, 6909), (2914, 6174), (2961, 6076), (3038, 5922), (3087, 5828), (3906, 4606), (3948, 4557), (4116, 4371)]