18300420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5351}}^1$

素因数の和:5385

約数の個数: 72

約数和(自身を含む): 58443840

約数和(自身を除く): 40143420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5351, 10702, 16053, 21404, 26755, 32106, 48159, 53510, 64212, 80265, 96318, 101669, 107020, 160530, 192636, 203338, 240795, 305007, 321060, 406676, 481590, 508345, 610014, 915021, 963180, 1016690, 1220028, 1525035, 1830042, 2033380, 3050070, 3660084, 4575105, 6100140, 9150210, 18300420]

約数ペア:

[(1, 18300420), (2, 9150210), (3, 6100140), (4, 4575105), (5, 3660084), (6, 3050070), (9, 2033380), (10, 1830042), (12, 1525035), (15, 1220028), (18, 1016690), (19, 963180), (20, 915021), (30, 610014), (36, 508345), (38, 481590), (45, 406676), (57, 321060), (60, 305007), (76, 240795), (90, 203338), (95, 192636), (114, 160530), (171, 107020), (180, 101669), (190, 96318), (228, 80265), (285, 64212), (342, 53510), (380, 48159), (570, 32106), (684, 26755), (855, 21404), (1140, 16053), (1710, 10702), (3420, 5351)]