19765548

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 59754240

約数和(自身を除く): 39988692

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 37, 38, 44, 57, 66, 71, 74, 76, 99, 111, 114, 132, 142, 148, 171, 198, 209, 213, 222, 228, 284, 333, 342, 396, 407, 418, 426, 444, 627, 639, 666, 684, 703, 781, 814, 836, 852, 1221, 1254, 1278, 1332, 1349, 1406, 1562, 1628, 1881, 2109, 2343, 2442, 2508, 2556, 2627, 2698, 2812, 3124, 3663, 3762, 4047, 4218, 4686, 4884, 5254, 5396, 6327, 7029, 7326, 7524, 7733, 7881, 8094, 8436, 9372, 10508, 12141, 12654, 14058, 14652, 14839, 15466, 15762, 16188, 23199, 23643, 24282, 25308, 28116, 28897, 29678, 30932, 31524, 44517, 46398, 47286, 48564, 49913, 57794, 59356, 69597, 86691, 89034, 92796, 94572, 99826, 115588, 133551, 139194, 149739, 173382, 178068, 199652, 260073, 267102, 278388, 299478, 346764, 449217, 520146, 534204, 549043, 598956, 898434, 1040292, 1098086, 1647129, 1796868, 2196172, 3294258, 4941387, 6588516, 9882774, 19765548]

約数ペア:

[(1, 19765548), (2, 9882774), (3, 6588516), (4, 4941387), (6, 3294258), (9, 2196172), (11, 1796868), (12, 1647129), (18, 1098086), (19, 1040292), (22, 898434), (33, 598956), (36, 549043), (37, 534204), (38, 520146), (44, 449217), (57, 346764), (66, 299478), (71, 278388), (74, 267102), (76, 260073), (99, 199652), (111, 178068), (114, 173382), (132, 149739), (142, 139194), (148, 133551), (171, 115588), (198, 99826), (209, 94572), (213, 92796), (222, 89034), (228, 86691), (284, 69597), (333, 59356), (342, 57794), (396, 49913), (407, 48564), (418, 47286), (426, 46398), (444, 44517), (627, 31524), (639, 30932), (666, 29678), (684, 28897), (703, 28116), (781, 25308), (814, 24282), (836, 23643), (852, 23199), (1221, 16188), (1254, 15762), (1278, 15466), (1332, 14839), (1349, 14652), (1406, 14058), (1562, 12654), (1628, 12141), (1881, 10508), (2109, 9372), (2343, 8436), (2442, 8094), (2508, 7881), (2556, 7733), (2627, 7524), (2698, 7326), (2812, 7029), (3124, 6327), (3663, 5396), (3762, 5254), (4047, 4884), (4218, 4686)]