19716492

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 47295360

約数和(自身を除く): 27578868

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 137, 179, 201, 268, 274, 358, 402, 411, 537, 548, 716, 804, 822, 1074, 1644, 2148, 9179, 11993, 18358, 23986, 24523, 27537, 35979, 36716, 47972, 49046, 55074, 71958, 73569, 98092, 110148, 143916, 147138, 294276, 1643041, 3286082, 4929123, 6572164, 9858246, 19716492]

約数ペア:

[(1, 19716492), (2, 9858246), (3, 6572164), (4, 4929123), (6, 3286082), (12, 1643041), (67, 294276), (134, 147138), (137, 143916), (179, 110148), (201, 98092), (268, 73569), (274, 71958), (358, 55074), (402, 49046), (411, 47972), (537, 36716), (548, 35979), (716, 27537), (804, 24523), (822, 23986), (1074, 18358), (1644, 11993), (2148, 9179)]