19916716736

素因数分解:

$2^6\times 7^1\times {\mathrm{2213}}^1\times {\mathrm{20089}}^1$

素因数の和:22321

約数の個数: 56

約数和(自身を含む): 45190928160

約数和(自身を除く): 25274211424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 2213, 4426, 8852, 15491, 17704, 20089, 30982, 35408, 40178, 61964, 70816, 80356, 123928, 140623, 141632, 160712, 247856, 281246, 321424, 495712, 562492, 642848, 991424, 1124984, 1285696, 2249968, 4499936, 8999872, 44456957, 88913914, 177827828, 311198699, 355655656, 622397398, 711311312, 1244794796, 1422622624, 2489589592, 2845245248, 4979179184, 9958358368, 19916716736]

約数ペア:

[(1, 19916716736), (2, 9958358368), (4, 4979179184), (7, 2845245248), (8, 2489589592), (14, 1422622624), (16, 1244794796), (28, 711311312), (32, 622397398), (56, 355655656), (64, 311198699), (112, 177827828), (224, 88913914), (448, 44456957), (2213, 8999872), (4426, 4499936), (8852, 2249968), (15491, 1285696), (17704, 1124984), (20089, 991424), (30982, 642848), (35408, 562492), (40178, 495712), (61964, 321424), (70816, 281246), (80356, 247856), (123928, 160712), (140623, 141632)]