18209631720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21678133}}^1$

素因数の和:21678154

約数の個数: 64

約数和(自身を含む): 62433025920

約数和(自身を除く): 44223394200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21678133, 43356266, 65034399, 86712532, 108390665, 130068798, 151746931, 173425064, 216781330, 260137596, 303493862, 325171995, 433562660, 455240793, 520275192, 606987724, 650343990, 758734655, 867125320, 910481586, 1213975448, 1300687980, 1517469310, 1820963172, 2276203965, 2601375960, 3034938620, 3641926344, 4552407930, 6069877240, 9104815860, 18209631720]

約数ペア:

[(1, 18209631720), (2, 9104815860), (3, 6069877240), (4, 4552407930), (5, 3641926344), (6, 3034938620), (7, 2601375960), (8, 2276203965), (10, 1820963172), (12, 1517469310), (14, 1300687980), (15, 1213975448), (20, 910481586), (21, 867125320), (24, 758734655), (28, 650343990), (30, 606987724), (35, 520275192), (40, 455240793), (42, 433562660), (56, 325171995), (60, 303493862), (70, 260137596), (84, 216781330), (105, 173425064), (120, 151746931), (140, 130068798), (168, 108390665), (210, 86712532), (280, 65034399), (420, 43356266), (840, 21678133)]