19636365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 38486016

約数和(自身を除く): 18849651

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 47, 69, 105, 115, 141, 161, 173, 235, 329, 345, 483, 519, 705, 805, 865, 987, 1081, 1211, 1645, 2415, 2595, 3243, 3633, 3979, 4935, 5405, 6055, 7567, 8131, 11937, 16215, 18165, 19895, 22701, 24393, 27853, 37835, 40655, 56917, 59685, 83559, 113505, 121965, 139265, 170751, 187013, 284585, 417795, 561039, 853755, 935065, 1309091, 2805195, 3927273, 6545455, 19636365]

約数ペア:

[(1, 19636365), (3, 6545455), (5, 3927273), (7, 2805195), (15, 1309091), (21, 935065), (23, 853755), (35, 561039), (47, 417795), (69, 284585), (105, 187013), (115, 170751), (141, 139265), (161, 121965), (173, 113505), (235, 83559), (329, 59685), (345, 56917), (483, 40655), (519, 37835), (705, 27853), (805, 24393), (865, 22701), (987, 19895), (1081, 18165), (1211, 16215), (1645, 11937), (2415, 8131), (2595, 7567), (3243, 6055), (3633, 5405), (3979, 4935)]