209219830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{29761}}^1$

素因数の和:29824

約数の個数: 32

約数和(自身を含む): 407144160

約数和(自身を除く): 197924330

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 3515, 7030, 29761, 59522, 148805, 297610, 565459, 1101157, 1130918, 2202314, 2827295, 5505785, 5654590, 11011570, 20921983, 41843966, 104609915, 209219830]

約数ペア:

[(1, 209219830), (2, 104609915), (5, 41843966), (10, 20921983), (19, 11011570), (37, 5654590), (38, 5505785), (74, 2827295), (95, 2202314), (185, 1130918), (190, 1101157), (370, 565459), (703, 297610), (1406, 148805), (3515, 59522), (7030, 29761)]