19173420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15217}}^1$

素因数の和:15239

約数の個数: 72

約数和(自身を含む): 66472224

約数和(自身を除く): 47298804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15217, 30434, 45651, 60868, 76085, 91302, 106519, 136953, 152170, 182604, 213038, 228255, 273906, 304340, 319557, 426076, 456510, 532595, 547812, 639114, 684765, 913020, 958671, 1065190, 1278228, 1369530, 1597785, 1917342, 2130380, 2739060, 3195570, 3834684, 4793355, 6391140, 9586710, 19173420]

約数ペア:

[(1, 19173420), (2, 9586710), (3, 6391140), (4, 4793355), (5, 3834684), (6, 3195570), (7, 2739060), (9, 2130380), (10, 1917342), (12, 1597785), (14, 1369530), (15, 1278228), (18, 1065190), (20, 958671), (21, 913020), (28, 684765), (30, 639114), (35, 547812), (36, 532595), (42, 456510), (45, 426076), (60, 319557), (63, 304340), (70, 273906), (84, 228255), (90, 213038), (105, 182604), (126, 152170), (140, 136953), (180, 106519), (210, 91302), (252, 76085), (315, 60868), (420, 45651), (630, 30434), (1260, 15217)]