19876680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55213}}^1$

素因数の和:55230

約数の個数: 48

約数和(自身を含む): 64600380

約数和(自身を除く): 44723700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55213, 110426, 165639, 220852, 276065, 331278, 441704, 496917, 552130, 662556, 828195, 993834, 1104260, 1325112, 1656390, 1987668, 2208520, 2484585, 3312780, 3975336, 4969170, 6625560, 9938340, 19876680]

約数ペア:

[(1, 19876680), (2, 9938340), (3, 6625560), (4, 4969170), (5, 3975336), (6, 3312780), (8, 2484585), (9, 2208520), (10, 1987668), (12, 1656390), (15, 1325112), (18, 1104260), (20, 993834), (24, 828195), (30, 662556), (36, 552130), (40, 496917), (45, 441704), (60, 331278), (72, 276065), (90, 220852), (120, 165639), (180, 110426), (360, 55213)]