18955450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 37604736

約数和(自身を除く): 18649286

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 53, 106, 115, 230, 265, 311, 530, 575, 622, 1150, 1219, 1325, 1555, 2438, 2650, 3110, 6095, 7153, 7775, 12190, 14306, 15550, 16483, 30475, 32966, 35765, 60950, 71530, 82415, 164830, 178825, 357650, 379109, 412075, 758218, 824150, 1895545, 3791090, 9477725, 18955450]

約数ペア:

[(1, 18955450), (2, 9477725), (5, 3791090), (10, 1895545), (23, 824150), (25, 758218), (46, 412075), (50, 379109), (53, 357650), (106, 178825), (115, 164830), (230, 82415), (265, 71530), (311, 60950), (530, 35765), (575, 32966), (622, 30475), (1150, 16483), (1219, 15550), (1325, 14306), (1555, 12190), (2438, 7775), (2650, 7153), (3110, 6095)]