19468170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1087}}^1$

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 50918400

約数和(自身を除く): 31450230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1087, 1194, 1791, 1990, 2174, 2985, 3261, 3582, 5435, 5970, 6522, 8955, 9783, 10870, 16305, 17910, 19566, 32610, 48915, 97830, 216313, 432626, 648939, 1081565, 1297878, 1946817, 2163130, 3244695, 3893634, 6489390, 9734085, 19468170]

約数ペア:

[(1, 19468170), (2, 9734085), (3, 6489390), (5, 3893634), (6, 3244695), (9, 2163130), (10, 1946817), (15, 1297878), (18, 1081565), (30, 648939), (45, 432626), (90, 216313), (199, 97830), (398, 48915), (597, 32610), (995, 19566), (1087, 17910), (1194, 16305), (1791, 10870), (1990, 9783), (2174, 8955), (2985, 6522), (3261, 5970), (3582, 5435)]