18956916

素因数分解:

$2^2\times 3^7\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 54552960

約数和(自身を除く): 35596044

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 197, 198, 243, 297, 324, 394, 396, 486, 591, 594, 729, 788, 891, 972, 1182, 1188, 1458, 1773, 1782, 2167, 2187, 2364, 2673, 2916, 3546, 3564, 4334, 4374, 5319, 5346, 6501, 7092, 8019, 8668, 8748, 10638, 10692, 13002, 15957, 16038, 19503, 21276, 24057, 26004, 31914, 32076, 39006, 47871, 48114, 58509, 63828, 78012, 95742, 96228, 117018, 143613, 175527, 191484, 234036, 287226, 351054, 430839, 526581, 574452, 702108, 861678, 1053162, 1579743, 1723356, 2106324, 3159486, 4739229, 6318972, 9478458, 18956916]

約数ペア:

[(1, 18956916), (2, 9478458), (3, 6318972), (4, 4739229), (6, 3159486), (9, 2106324), (11, 1723356), (12, 1579743), (18, 1053162), (22, 861678), (27, 702108), (33, 574452), (36, 526581), (44, 430839), (54, 351054), (66, 287226), (81, 234036), (99, 191484), (108, 175527), (132, 143613), (162, 117018), (197, 96228), (198, 95742), (243, 78012), (297, 63828), (324, 58509), (394, 48114), (396, 47871), (486, 39006), (591, 32076), (594, 31914), (729, 26004), (788, 24057), (891, 21276), (972, 19503), (1182, 16038), (1188, 15957), (1458, 13002), (1773, 10692), (1782, 10638), (2167, 8748), (2187, 8668), (2364, 8019), (2673, 7092), (2916, 6501), (3546, 5346), (3564, 5319), (4334, 4374)]