19226620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:899

約数の個数: 72

約数和(自身を含む): 49067424

約数和(自身を除く): 29840804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 853, 980, 1127, 1610, 1706, 2254, 3220, 3412, 4265, 4508, 5635, 5971, 8530, 11270, 11942, 17060, 19619, 22540, 23884, 29855, 39238, 41797, 59710, 78476, 83594, 98095, 119420, 137333, 167188, 196190, 208985, 274666, 392380, 417970, 549332, 686665, 835940, 961331, 1373330, 1922662, 2746660, 3845324, 4806655, 9613310, 19226620]

約数ペア:

[(1, 19226620), (2, 9613310), (4, 4806655), (5, 3845324), (7, 2746660), (10, 1922662), (14, 1373330), (20, 961331), (23, 835940), (28, 686665), (35, 549332), (46, 417970), (49, 392380), (70, 274666), (92, 208985), (98, 196190), (115, 167188), (140, 137333), (161, 119420), (196, 98095), (230, 83594), (245, 78476), (322, 59710), (460, 41797), (490, 39238), (644, 29855), (805, 23884), (853, 22540), (980, 19619), (1127, 17060), (1610, 11942), (1706, 11270), (2254, 8530), (3220, 5971), (3412, 5635), (4265, 4508)]