18961178820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{978389}}^1$

素因数の和:978437

約数の個数: 96

約数和(自身を含む): 59173027200

約数和(自身を除く): 40211848380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1615, 1938, 3230, 3876, 4845, 6460, 9690, 19380, 978389, 1956778, 2935167, 3913556, 4891945, 5870334, 9783890, 11740668, 14675835, 16632613, 18589391, 19567780, 29351670, 33265226, 37178782, 49897839, 55768173, 58703340, 66530452, 74357564, 83163065, 92946955, 99795678, 111536346, 166326130, 185893910, 199591356, 223072692, 249489195, 278840865, 316019647, 332652260, 371787820, 498978390, 557681730, 632039294, 948058941, 997956780, 1115363460, 1264078588, 1580098235, 1896117882, 3160196470, 3792235764, 4740294705, 6320392940, 9480589410, 18961178820]

約数ペア:

[(1, 18961178820), (2, 9480589410), (3, 6320392940), (4, 4740294705), (5, 3792235764), (6, 3160196470), (10, 1896117882), (12, 1580098235), (15, 1264078588), (17, 1115363460), (19, 997956780), (20, 948058941), (30, 632039294), (34, 557681730), (38, 498978390), (51, 371787820), (57, 332652260), (60, 316019647), (68, 278840865), (76, 249489195), (85, 223072692), (95, 199591356), (102, 185893910), (114, 166326130), (170, 111536346), (190, 99795678), (204, 92946955), (228, 83163065), (255, 74357564), (285, 66530452), (323, 58703340), (340, 55768173), (380, 49897839), (510, 37178782), (570, 33265226), (646, 29351670), (969, 19567780), (1020, 18589391), (1140, 16632613), (1292, 14675835), (1615, 11740668), (1938, 9783890), (3230, 5870334), (3876, 4891945), (4845, 3913556), (6460, 2935167), (9690, 1956778), (19380, 978389)]