19449950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1349

約数の個数: 48

約数和(自身を含む): 40684896

約数和(自身を除く): 21234946

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1301, 1495, 2602, 2990, 6505, 7475, 13010, 14950, 16913, 29923, 32525, 33826, 59846, 65050, 84565, 149615, 169130, 299230, 388999, 422825, 748075, 777998, 845650, 1496150, 1944995, 3889990, 9724975, 19449950]

約数ペア:

[(1, 19449950), (2, 9724975), (5, 3889990), (10, 1944995), (13, 1496150), (23, 845650), (25, 777998), (26, 748075), (46, 422825), (50, 388999), (65, 299230), (115, 169130), (130, 149615), (230, 84565), (299, 65050), (325, 59846), (575, 33826), (598, 32525), (650, 29923), (1150, 16913), (1301, 14950), (1495, 13010), (2602, 7475), (2990, 6505)]