19145308

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 41630400

約数和(自身を除く): 22485092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 149, 182, 298, 353, 364, 596, 706, 1043, 1412, 1937, 2086, 2471, 3874, 4172, 4589, 4942, 7748, 9178, 9884, 13559, 18356, 27118, 32123, 52597, 54236, 64246, 105194, 128492, 210388, 368179, 683761, 736358, 1367522, 1472716, 2735044, 4786327, 9572654, 19145308]

約数ペア:

[(1, 19145308), (2, 9572654), (4, 4786327), (7, 2735044), (13, 1472716), (14, 1367522), (26, 736358), (28, 683761), (52, 368179), (91, 210388), (149, 128492), (182, 105194), (298, 64246), (353, 54236), (364, 52597), (596, 32123), (706, 27118), (1043, 18356), (1412, 13559), (1937, 9884), (2086, 9178), (2471, 7748), (3874, 4942), (4172, 4589)]