19520340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46477}}^1$

素因数の和:46496

約数の個数: 48

約数和(自身を含む): 62466432

約数和(自身を除く): 42946092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46477, 92954, 139431, 185908, 232385, 278862, 325339, 464770, 557724, 650678, 697155, 929540, 976017, 1301356, 1394310, 1626695, 1952034, 2788620, 3253390, 3904068, 4880085, 6506780, 9760170, 19520340]

約数ペア:

[(1, 19520340), (2, 9760170), (3, 6506780), (4, 4880085), (5, 3904068), (6, 3253390), (7, 2788620), (10, 1952034), (12, 1626695), (14, 1394310), (15, 1301356), (20, 976017), (21, 929540), (28, 697155), (30, 650678), (35, 557724), (42, 464770), (60, 325339), (70, 278862), (84, 232385), (105, 185908), (140, 139431), (210, 92954), (420, 46477)]