19474164

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 52678080

約数和(自身を除く): 33203916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 71, 76, 114, 142, 171, 213, 228, 284, 342, 401, 426, 639, 684, 802, 852, 1203, 1278, 1349, 1604, 2406, 2556, 2698, 3609, 4047, 4812, 5396, 7218, 7619, 8094, 12141, 14436, 15238, 16188, 22857, 24282, 28471, 30476, 45714, 48564, 56942, 68571, 85413, 91428, 113884, 137142, 170826, 256239, 274284, 341652, 512478, 540949, 1024956, 1081898, 1622847, 2163796, 3245694, 4868541, 6491388, 9737082, 19474164]

約数ペア:

[(1, 19474164), (2, 9737082), (3, 6491388), (4, 4868541), (6, 3245694), (9, 2163796), (12, 1622847), (18, 1081898), (19, 1024956), (36, 540949), (38, 512478), (57, 341652), (71, 274284), (76, 256239), (114, 170826), (142, 137142), (171, 113884), (213, 91428), (228, 85413), (284, 68571), (342, 56942), (401, 48564), (426, 45714), (639, 30476), (684, 28471), (802, 24282), (852, 22857), (1203, 16188), (1278, 15238), (1349, 14436), (1604, 12141), (2406, 8094), (2556, 7619), (2698, 7218), (3609, 5396), (4047, 4812)]