18545156720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12200761}}^1$

素因数の和:12200793

約数の個数: 40

約数和(自身を含む): 45386834640

約数和(自身を除く): 26841677920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12200761, 24401522, 48803044, 61003805, 97606088, 122007610, 195212176, 231814459, 244015220, 463628918, 488030440, 927257836, 976060880, 1159072295, 1854515672, 2318144590, 3709031344, 4636289180, 9272578360, 18545156720]

約数ペア:

[(1, 18545156720), (2, 9272578360), (4, 4636289180), (5, 3709031344), (8, 2318144590), (10, 1854515672), (16, 1159072295), (19, 976060880), (20, 927257836), (38, 488030440), (40, 463628918), (76, 244015220), (80, 231814459), (95, 195212176), (152, 122007610), (190, 97606088), (304, 61003805), (380, 48803044), (760, 24401522), (1520, 12200761)]