18663510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 29029290

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 137, 190, 239, 274, 285, 411, 478, 570, 685, 717, 822, 1195, 1370, 1434, 2055, 2390, 2603, 3585, 4110, 4541, 5206, 7170, 7809, 9082, 13015, 13623, 15618, 22705, 26030, 27246, 32743, 39045, 45410, 65486, 68115, 78090, 98229, 136230, 163715, 196458, 327430, 491145, 622117, 982290, 1244234, 1866351, 3110585, 3732702, 6221170, 9331755, 18663510]

約数ペア:

[(1, 18663510), (2, 9331755), (3, 6221170), (5, 3732702), (6, 3110585), (10, 1866351), (15, 1244234), (19, 982290), (30, 622117), (38, 491145), (57, 327430), (95, 196458), (114, 163715), (137, 136230), (190, 98229), (239, 78090), (274, 68115), (285, 65486), (411, 45410), (478, 39045), (570, 32743), (685, 27246), (717, 26030), (822, 22705), (1195, 15618), (1370, 13623), (1434, 13015), (2055, 9082), (2390, 7809), (2603, 7170), (3585, 5206), (4110, 4541)]