19020420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 60984000

約数和(自身を除く): 41963580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 59, 60, 81, 90, 108, 118, 135, 162, 177, 180, 199, 236, 270, 295, 324, 354, 398, 405, 531, 540, 590, 597, 708, 796, 810, 885, 995, 1062, 1180, 1194, 1593, 1620, 1770, 1791, 1990, 2124, 2388, 2655, 2985, 3186, 3540, 3582, 3980, 4779, 5310, 5373, 5970, 6372, 7164, 7965, 8955, 9558, 10620, 10746, 11741, 11940, 15930, 16119, 17910, 19116, 21492, 23482, 23895, 26865, 31860, 32238, 35223, 35820, 46964, 47790, 53730, 58705, 64476, 70446, 80595, 95580, 105669, 107460, 117410, 140892, 161190, 176115, 211338, 234820, 317007, 322380, 352230, 422676, 528345, 634014, 704460, 951021, 1056690, 1268028, 1585035, 1902042, 2113380, 3170070, 3804084, 4755105, 6340140, 9510210, 19020420]

約数ペア:

[(1, 19020420), (2, 9510210), (3, 6340140), (4, 4755105), (5, 3804084), (6, 3170070), (9, 2113380), (10, 1902042), (12, 1585035), (15, 1268028), (18, 1056690), (20, 951021), (27, 704460), (30, 634014), (36, 528345), (45, 422676), (54, 352230), (59, 322380), (60, 317007), (81, 234820), (90, 211338), (108, 176115), (118, 161190), (135, 140892), (162, 117410), (177, 107460), (180, 105669), (199, 95580), (236, 80595), (270, 70446), (295, 64476), (324, 58705), (354, 53730), (398, 47790), (405, 46964), (531, 35820), (540, 35223), (590, 32238), (597, 31860), (708, 26865), (796, 23895), (810, 23482), (885, 21492), (995, 19116), (1062, 17910), (1180, 16119), (1194, 15930), (1593, 11940), (1620, 11741), (1770, 10746), (1791, 10620), (1990, 9558), (2124, 8955), (2388, 7965), (2655, 7164), (2985, 6372), (3186, 5970), (3540, 5373), (3582, 5310), (3980, 4779)]